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Parencia,C R

One hundred twenty years of research on cotton insects in the United States / C.R. Parencia. - - Washington,D.C. : Agricultural Research Service United States Department of Agriculture, 1978 - 75 p. : ill., maps- - (Agriculture handbook no. 515) .

Bibliography:p.70-75

Subjects--Topical Terms:
Bool-weavil Control -United States.

LC Class. No.: SB945 / C8 P37