00518nam a2200193Ia 4500008004100000020001500041082001400056100002100070245004100091250000600132260003100138300000800169650004100177650003400218653001200252653002200264653001900286700001900305170901s1994    xx            000 0 und d  a0412543907  a632bM36M  aMarshall, George 0aMolecular Biology in Crop Protection  a1  aUKbChapman and Hallc1994  a283  aAgriculture and related technologies  aTechnology (Applied sciences)  aControl  aMolecular biology  aPlant diseases  aWalthers, Dale