 | | CERES No. 053 (FAO Ceres, 1976, 50 p.) |
 | | CERES No. 054 (FAO Ceres, 1976, 50 p.) |
 | | CERES No. 055 (FAO Ceres, 1977, 50 p.) |
 | | CERES No. 056 (FAO Ceres, 1977, 50 p.) |
 | | CERES No. 057 (FAO Ceres, 1977, 50 p.) |
 | | CERES No. 058 (FAO Ceres, 1977, 50 p.) |
 | | CERES No. 059 (FAO Ceres, 1977, 50 p.) |
 | | CERES No. 061 (FAO Ceres, 1978, 50 p.) |
 | | CERES No. 062 (FAO Ceres, 1978, 50 p.) |
 | | CERES No. 063 (FAO Ceres, 1978, 50 p.) |
 | | CERES No. 064 (FAO Ceres, 1978, 50 p.) |
 | | CERES No. 065 (FAO Ceres, 1978, 50 p.) |
 | | CERES No. 066 (FAO Ceres, 1978, 50 p.) |
 | | CERES No. 067 (FAO Ceres, 1979, 50 p.) |
 | | CERES No. 068 (FAO Ceres, 1979, 50 p.) |
 | | CERES No. 070 - July - August 1979 (FAO Ceres, 1979, 50 p.) |
 | | CERES No. 071 - September - October 1979 (FAO Ceres, 1979, 50 p.) |
 | | CERES No. 072 (FAO Ceres, 1979, 50 p.) |
 | | CERES No. 073 (FAO Ceres, 1980, 50 p.) |
 | | CERES No. 074 (FAO Ceres, 1980, 50 p.) |
 | | CERES No. 075 (FAO Ceres, 1980, 50 p.) |
 | | CERES No. 076 (FAO Ceres, 1980, 50 p.) |
 | | CERES No. 077 (FAO Ceres, 1980, 50 p.) |
 | | CERES No. 078 (FAO Ceres, 1980, 50 p.) |
 | | CERES No. 079 (FAO Ceres, 1981, 50 p.) |
 | | CERES No. 080 - March - April 1981 (FAO Ceres, 1981, 50 p.) |
 | | CERES No. 081 (FAO Ceres, 1981, 50 p.) |
 | | CERES No. 082 (FAO Ceres, 1981, 50 p.) |
 | | CERES No. 083 (FAO Ceres, 1981, 50 p.) |
 | | CERES No. 084 (FAO Ceres, 1981, 50 p.) |
 | | CERES No. 085 (FAO Ceres, 1982, 50 p.) |
 | | CERES No. 086 (FAO Ceres, 1982, 50 p.) |
 | | CERES No. 087 (FAO Ceres, 1982, 50 p.) |
 | | CERES No. 088 (FAO Ceres, 1982, 50 p.) |
 | | CERES No. 089 - September - October 1982 (FAO Ceres, 1982, 50 p.) |
 | | CERES No. 090 (FAO Ceres, 1982, 50 p.) |
 | | CERES No. 091 - January - February 1983 (FAO Ceres, 1983, 50 p.) |
 | | CERES No. 092 - March - April 1983 (FAO Ceres, 1983, 50 p.) |
 | | CERES No. 093 - May - June 1983 (FAO Ceres, 1983, 50 p.) |
 | | CERES No. 094 - July - August 1983 (FAO Ceres, 1983, 50 p.) |
 | | CERES No. 095 - September - October 1983 (FAO Ceres, 1983, 50 p.) |
 | | CERES No. 096 - November - December 1983 (FAO Ceres, 1983, 50 p.) |
 | | CERES No. 097 - January - February 1984 (FAO Ceres, 1984, 50 p.) |
 | | CERES No. 098 - March - April 1984 (FAO Ceres, 1984, 50 p.) |
 | | CERES No. 099 - May - June 1984 (FAO Ceres, 1984, 50 p.) |
 | | CERES No. 100 - July - August 1984 (FAO Ceres, 1984, 50 p.) |
 | | CERES No. 101 - Septembe r- October 1984 (FAO Ceres, 1984, 50 p.) |
 | | CERES No. 102 - November - December 1984 (FAO Ceres, 1984, 50 p.) |
 | | CERES No. 103 - January - February 1985 (FAO Ceres, 1985, 50 p.) |
 | | CERES No. 104 - March - April 1985 (FAO Ceres, 1985, 50 p.) |
 | | CERES No. 105/109 - October 1985 (FAO Ceres, 1985, 50 p.) |
 | | CERES No. 105 - May - June 1985 (FAO Ceres, 1985, 50 p.) |
 | | CERES No. 106 - July - August 1985 (FAO Ceres, 1985, 50 p.) |
 | | CERES No. 109 (FAO Ceres, 1986, 50 p.) |
 | | CERES No. 110 (FAO Ceres, 1986, 50 p.) |
 | | CERES No. 111 (FAO Ceres, 1986, 50 p.) |
 | | CERES No. 112 (FAO Ceres, 1986, 50 p.) |
 | | CERES No. 113 (FAO Ceres, 1986, 50 p.) |
 | | CERES No. 114 (FAO Ceres, 1986, 50 p.) |
 | | CERES No. 115 (FAO Ceres, 1987, 50 p.) |
 | | CERES No. 116 (FAO Ceres, 1987, 50 p.) |
 | | CERES No. 117 (FAO Ceres, 1987, 50 p.) |
 | | CERES No. 118 (FAO Ceres, 1987, 50 p.) |
 | | CERES No. 119 (FAO Ceres, 1987, 50 p.) |
 | | CERES No. 120 (FAO Ceres, 1987, 50 p.) |
 | | CERES No. 121 (FAO Ceres, 1988, 50 p.) |
 | | CERES No. 122 (FAO Ceres, 1988, 50 p.) |
 | | CERES No. 123 (FAO Ceres, 1988, 50 p.) |
 | | CERES No. 125 (FAO Ceres, 1990, 50 p.) |
 | | CERES No. 127 (FAO Ceres, 1991, 50 p.) |
 | | CERES No. 128 (FAO Ceres, 1991, 50 p.) |
 | | CERES No. 129 (FAO Ceres, 1991, 50 p.) |
 | | CERES No. 130 (FAO Ceres, 1991, 50 p.) |
 | | CERES No. 131 (FAO Ceres, 1991, 50 p.) |
 | | CERES No. 132 November - December 1991 (FAO Ceres, 1991, 50 p.) |
 | | CERES No. 133 - January - February 1992 (FAO Ceres, 1992, 50 p.) |
 | | CERES No. 134 (FAO Ceres, 1992, 50 p.) |
 | | CERES No. 135 (FAO Ceres, 1992, 50 p.) |
 | | CERES No. 136 (FAO Ceres, 1992, 50 p.) |
 | | CERES No. 137 (FAO Ceres, 1992, 50 p.) |
 | | CERES No. 139 (FAO Ceres, 1993, 50 p.) |
 | | CERES No. 140 (FAO Ceres, 1993, 50 p.) |
 | | CERES No. 141 (FAO Ceres, 1993, 50 p.) |
 | | CERES No. 142 (FAO Ceres, 1993, 50 p.) |
 | | CERES No. 143 - September - October 1993 (FAO Ceres, 1993, 50 p.) |
 | | CERES No. 144 - November - December 1993 (FAO Ceres, 1993, 50 p.) |
 | | CERES No. 145 - January - February 1994 (FAO Ceres, 1994, 50 p.) |
 | | CERES No. 146 March - April 1994 (FAO Ceres, 1994, 50 p.) |
 | | CERES No. 147 May - June 1994 (FAO Ceres, 1994, 50 p.) |
 | | CERES No. 148 July - August 1994 (FAO Ceres, 1994, 50 p.) |
 | | CERES No. 149 - September - October 1994 (FAO Ceres, 1994, 50 p.) |
 | | CERES No. 150 - November - December 1994 (FAO Ceres, 1994, 50 p.) |
 | | CERES No. 151 - January - February 1995 (FAO Ceres, 1995, 50 p.) |
 | | CERES No. 152 - March - April 1995 (FAO Ceres, 1995, 50 p.) |
 | | CERES No. 154 - July - August 1995 (FAO Ceres, 1995, 50 p.) |
 | | CERES No. 156 November - December 1995 (FAO Ceres, 1995, 50 p.) |
 | | CERES No. 157 - January - February 1996 (FAO Ceres, 1996, 50 p.) |
 | | CERES No. 158 March - April 1996 (FAO Ceres, 1996, 50 p.) |