00931nam0-22003251i-450-99000205330040332120090629133225.01-56081-029-7000205330FED01000205330(Aleph)000205330FED0100020533020030910d1990----km-y0itay50------baengCritical issues in biological controled. by Manfred Mackauer, Lester E. Ehler, Jens RolandAndoverIntercept1990330 p.22 cmLotta biologicaLotta integrata632.96Ehler,Lester E.Mackauer,ManfredRoland,JensITUNINARICAUNIMARCBK99000205330040332161 VII B.7/0743696 (6/10/92)DAGENDAGENCritical issues in biological control406036UNINA