Title: Bibliografi a parcial de investigacio n sobre malezas y su control para Ame rica del Sur, Ame rica Central, El Caribe y Me xico, 1942-1972. A partial biblioraphy of weed research and control publications for South and Central America, The Caribbean, and Mexico, 1942-1972
Subjects: Bibliography, Control, Research, Weeds
Places: Central America, Mexico, South America, West Indies