Witson, Curtis Mark. Fundamentals of applied entomolgy - Prospect heights, Illinois : Waveland Press, 1977 - 166 p. : ilus. ; gráfs. - Practical insect pest management ; 1 . - Practical insect pest management ; 1 . LCCN: 52151 Subjects--Topical Terms: Entomología. Dewey Class. No.: 595.7 / W55