Chattopadhyay S B Principles and procedues of plant protection - New Delhi Oxford & IBH Publishing Co. 1980 - x, 480p. cm. Bibliographical references 347-368p.; Appendix 373-474p.; Index 475-480p. Standard No.: 81187 Source: Textual Subjects--Topical Terms: Plant protectionBotany Dewey Class. No.: I:55, M0;1