text Washington R.R. Donnelley & Sons 1964 eng x, 221 p.: ill.; 24 cm. ; 24 cm. Edited: Albert H. Moseman Incl. Index AGRICULTURAL SCIENCES DEVELOPING COUNTRIES 631 631 AGR 211005 20211005021441 INLIS000000000004311 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)