GATE/GTZ: Postbox 5180, D-6236 Eschborn. Publications with
ISBN-Number may be ordered directly from: Friedr. Vieweg & Sohn GmbH,
P.O.Box 300944, D-5090 Leverkusen 3, Germany.
Andreas Drews: Information Sources on Sustainable Agriculture in
the Third World.
GATE, Eschborn 1992, 145 pp. DM 42.00.
The objective of this survey was to identify the NGOs in the
Third World which keep databases on sustainable agriculture. Non-clectronic
sources are included 91 noncommercial information sources were identified
worldwide through a questionnaire distribution campaign. The publication lists
and describes the organizations concerned, and the information services which
J.-M. Chapallaz, P. Eichenberger, G. Fischer: Manual on Pumps
Used as Turbines. GATE/MHPG MHPG Series Harenessing Water Power on a Small
Scale. Volume 11. GATE/Vieweg Eschborn/Braunschweig 1992.221 pp. DM 42.00. ISBN
This manual gives a comprehensive and detailed account of the
use of pumps as turbines (PAT) in micro-hydropower schemes. For many projects,
the use of a standard pump as turbine may be an alternative with a considerable
economic advantage and might therefore contribute to a broader application of
J.-M. Chapallaz, J. Dos Ghali, P. Eichenberger, G. Fischer:
Manual on Induction Motors Used as Generators. GATE/ Vieweg
Eschborn/Braunschweig 1992. 213 pp. DM 42.00. ISBN 3-528-02068-7.
The handbook describes how an induction motor could be used as
generator in the field of micro hydropower. Particular emphasis has been given
on presenting a practical selection method for Induction Motors Used as
Generators (IMAG). In addition, the manual covers all aspects related to the
operation and control of the machine, safety and protection of electrical
installations and its economic advantage in comparison with other types of
generators for micro-hydropower