00370nam a2200145Ia 4500008004100000020001500041082001700056100002000073245002400093260003300117300000800150650001800158650002400176653002400200170901s1972    xx            000 0 und d  a0127410503  a595.13bW27E  aWebster, John M 0aEconomic Nematology  aLondonbAcademic Pressc1972  a563  aPure Sciences  aZoological sciences  aEconomic nematology