00635     2200181   4500001002100000008004100021035002000062245007600082100002400158260010800182300005100290020002300341084001900364082001500383650001800398650001600416990002100432INLIS000000000026321                                   Ind    a0010-1218008159  aSeed potato systems in the Philippines: a case studycCRISSMAN, Charles  aCharles C. Crissman  aLos BAnosbPhilippine Council for Agric., Forestry and Natural Resources Research and Developmentc1989  a68 p. : illl. ; 28 cm.c68 p. : illl. ; 28 cm.  aISBN 92-9060-136-1  a635.21-153CRIs  a635.21-153  aSEED POTATOES  aPHILIPPINES  a0160/90-mfn28177