 Pillaipakkamnatt, K. 

 Pillaipakkamnatt, K. (K. Pillaipakkamnatt and V. Raghavan)  Readtwice DNF Formulas are Properly Learnable  1994 
 Pillaipakkamnatt, K. (K. Pillaipakkamnatt and V. Raghavan)  On the limits of proper learnability of subclasses of DNF formulas  1994 
