00564nam a2200193Ia 4500001001000000003000500010008004100015010001100056040000900067082001700076100002300093245008100116260004300197300001100240440004000251650002700291650002200318650003000340Para_1930CHAP220125s1993    xx            000 0 und d  a200537  cCHAP  aPA 632.93 A5  aAltieri, Miguel A.  aCrop portection strategies for subsistence farmers  /c by Miguel A. Altieri  aBoulder, Colorado  :b Westsriew Press  a197 p.  aWestsriew studies in insect biology  aAgricultura x plagas   aControl de plagas  aCultivos x protección