TY - BOOK AU - Greathead,D.J. TI - Opportunities for biologicval control of agricultural pest in developing countries SN - 0-8213-0164-0 AV - ERB PAM S975.G74 PY - 1993/// CY - Washington, D.C PB - The World Bank KW - Underdeveloped areas KW - Pest control KW - Biological control KW - Plants KW - protection ER -