00655nam a22002177a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093082001200102111010700114245001600221260007700237300001100314490002000325650004400345650002800389830002000417CHAP20220329140748.0971013s1976            r     10010     d  a57239  a58211  a62366  cCHAP  a632bS900aSymposium on Syllabuses and Course Content for Crop Protection Courses. (d1976c: Sterling, Scotland)  aProceedings  aDroitwich, Worcester, England :bBritish Crop. Protection Council,c1976  a126 p.  aMonographv; 2014aFitopatologíaxEstudio y enseñanza.14aMalas hierbasxControl.0 aMonographv; 20