Pradhan, S. . Insect Pests of Crops / Textual Documents S. Pradhan. - 1st ed. / - New Delhi : National Book Trust, India , C1969. - vii,208p. : ill ; 22cm . Index ISBN: HB Subjects--Index Terms: Zoology Insect Pests-Crops G-Zoology Dewey Class. No.: 595.7 / P 882 In