00737 #a2200373 #4500001001000000004000600010005001700016006000300033008000400036010000500040011000500045014000500050021000600055035000500061041000700066047001800073068000500091082001200096082000900108100000500117110000500122111000500127245009000132245000500222260002100227260001000248260000900258260002600267300000900293555000500302650002500307650001500332650001600347 aLibros aMT20140826164056.0ms a a a a a3 a aEn a1-56079-113-6 a a378.194 aP485 a a a aPETERSON'S GUIDE to graduate programs in thebiological and agricultural sciences 1992 a aSin invb1,v.3 aEE.UU c1991 bPeterson's Guides Inc a2481 a aEnseñanza superior aBiología aAgricultura