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• 000 01091nam 22003015a 45

• 000 1000095656

• 001 0000319067

• 008 791011s1956 dcuab b 001 0 eng d

• 010 __ |a 56000193

• 020 __ |c CNY1.83

• 040 __ |a U. S. Dept. of Agr. Libr. |c ViRU |d DNAL |d DLC

• 042 __ |a premarc

• 043 __ |a n-us---

• 050 00 |a S21 |b .A72 no. 1139

• 070 0_ |a 1 |b Ag84Te no.1139

• 072 0_ |a F821

• 090 __ |a 632.7/C615

• 100 1_ |a Clausen, Curtis P. |q (Curtis Paul), |d 1893-

• 245 10 |a Biological control of insect pests in the continental United States / |c by C.P. Clausen.

• 260 __ |a Washington, D.C. : |b U.S. Dept. of Agriculture, |c 1956.

• 300 __ |a vi, 151 p. : |b ill., maps ; |c 23 cm.

• 490 1_ |a Technical bulletin / United States Department of Agriculture ; |v no. 1139

• 504 __ |a Includes bibliographical references (p. 135-143) and index.

• 650 _0 |a Insect pests |x Biological control |z United States.

• 830 _0 |a Technical bulletin (United States. Dept. of Agriculture) ; |v no. 1139.

• 901 __HSW200710498

• 905 __ |a CAU |f 632.7/C615

• 907 __ |a CAU |f 632.7/C61