TY - BOOK AU - AU - Julien,M.H.,editor AU - TI - Biological control of weeds: a world catalogue of agents and their target weeds SN - 0851984940 (pbk) PY - 1982/// CY - Farnham Royal PB - Commonwealth Institute of Biological Control KW - Weeds KW - Biological control N1 - Includes index ER -