00892nam a22002897a 4500 CHAP 20220329140520.0 971013s1947 r 00010 d 53185 54157 58307 CHAP Folleto 2470 Ross, W. A. 100198 Recomendations for the use of DDT against agricultural insect pests in 1947 Ottawa : Department of Agriculture. Division of Entomology, 1947 5 p. Processed publications ; 64 BATCH-UPD 10 20130110 UCH01 0745 CONVERSION 10 20130109 UCH01 1329 Control de plagas. 27595 DDT (Insecticida) 31376 Processed publications ; 64 91830 BK FOLL Folleto 2470 BC FOLL -126609 TS1 58307 i 53185 53185 0 0 local 0 1 0 FOLL BC BC PA_FOLLETOS 2012-12-17 FOLL 0 Folleto 2470 -126609 2019-12-31 00:00:00 2012-12-17 FOLL