00318nam a2200109Ia 4500008004100000082002200041100002200063245004300085260004100128300001000169650002900179140113s9999    xx            000 0 und d  a632.651:631.95 L8  a" Norton, Don C."  aEcology of plant - parasitic nematodes  b"New York : John Wiley & sons, 1978"  a268p.  aPlant parasitic nematode