text New York John Wiley and Sons 1978 N xiii, 350 hlm. 23 cm Pertanian - Penelitian 630.72 630.72 Lit a 0471023523 INLIS000000000000311 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)