00617nam a22002177a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093082001500102110004100117245008800158260004200246300001100288490002300299650002200322650003200344830002300376CHAP20220329135653.0971013s1970            r     00010     d  a40261  a41233  a45359  cCHAP  a632.95bE7  aE.U.A. National Agricultural Library  aDDT (1,1-dichloro-2,2-Bis (P-chlorophenyl) ethylene) a list of referces selected...  aBeltsville, Md. :bThe Library,c1970  a143 p.  aLibrary listv; 9714aDDT (Insecticida)14aPesticidasxBibliografía.0 aLibrary listv; 97