机读格式显示(MARC)

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• 000 1000080282

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• 005 20070112162552.0

• 008 710623s1971 iaua b 101 0 eng

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• 020 __ |a 0813805406 : |c CNY40.00

• 040 __ |a DLC |c DLC |d DLC

• 050 00 |a HD1405 |b .E26

• 082 00 |a 338.1/01/84

• 090 __ |a F302.5-53/EMQ

• 093 __ |a F302.5-53 |2 4

• 245 00 |a Economic models and quantitative methods for decisions and planning in agriculture : |b proceedings of an East-West seminar / |c Edited by Earl O. Heady.

• 260 __ |a Ames : |b Iowa State University Press, |c c1971.

• 300 __ |a xiii, 518 p. : |b ill. ; |c 24 cm.

• 504 __ |a Includes bibliographical references and index.

• 650 _0 |a Agriculture |x Economic aspects |x Congresses.

• 650 _0 |a Agriculture |x Economic aspects |x Mathematical models |x Congresses.

• 700 1_ |a Heady, Earl Orel, |d 1916- |e ed.

• 901 __022006019991

• 905 __ |a CAU |f F302.5-53/EMQ |b E0208485(or.)

• 907 __ |a CAU |f F302.5-53/EMQ |b E0208485(or.)

• 999 __ |t C |A gxr |a 20061205 11:11:11 |I wzhlc |i 20070112 16:25:52 |G wzhlc |g 20070112 16:25:5