text London Edward Arnold 1940 3rd ed. Ing x, 385 p.: ill.; . + Index 22 cm Hubert Martin PLANT PROTECTION CHEMICAL CONTROL 632 632 MAR s INLIS000000000004092 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)