00500nam a2200169Ia 4500001001000000003000500010008004100015010001100056040000900067082001700076100002200093245009400115260003900209300001100248440005700259650001400316Para_2697CHAP220125s1984    xx            000 0 und d  a201098  cCHAP  aPA 632.9 C65  aConway, Gordon R.  aPest and pathogen control :b strategic, tacfical and policy models  /c Gordon R. Conway  aChichester  :b John Wiley & Sons.  a488 p.  aInternational series on applied systems analysis; 13  aPlagas x