机读格式显示(MARC)

• 000 01000cam 2200301 a 4500

• 000 1000084545

• 001 0000308162

• 005 20070615110825.0

• 008 720802s1972 iaua b 001 0 eng

• 010 __ |a 77039386

• 020 __ |a 0813812003 : |c CNY37.80

• 040 __ |a DLC |c DLC |d DLC

• 050 00 |a S562.5 |b .A37

• 082 00 |a 338.1/01/84

• 090 __ |a F306.1/ARC

• 093 __ |a F306.1 |2 4

• 100 1_ |a Agrawal, R. C., |d 1936-

• 245 10 |a Operations research methods for agricultural decisions / |c [by] R. C. Agrawal and Earl O. Heady.

• 260 __ |a Ames : |b Iowa State University Press, |c 1972.

• 300 __ |a x, 303 p. : |b ill. ; |c 24 cm.

• 504 __ |a Includes bibliographical references.

• 650 _0 |a Farm management |x Research.

• 650 _0 |a Operations research.

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

• 901 __022007003438

• 905 __ |a CAU |f F306.1/ARC |b E0210984(or.)

• 907 __ |a CAU |f F306.1/ARC |b E0210984(or.)

• 999 __ |t C |A gxr |a 20070615 11:01:03 |I gxr |i 20070615 11:08:25 |G wzhlc |g 20070930 09:00:3