00522cam a22001937a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093082001200102100002600114245008600140260004700226300001100273650002300284650002100307CHAP20220329140642.0971013s1978            r     00010     d  a55396  a56368  a60521  cCHAP  a632bS500aSill, Webster H., Jr.14aThe plant protection disciplineb: problems and possible developmental strategies  aMontclair, N. J. :bAllanheld Osmun,c1978  a190 p.14aControl de plagas.14aFitopatología.