机读格式显示(MARC)

• 000 01033cam 2200301 a 4500

• 000 1000035348

• 001 0000291397

• 005 20060530081341.0

• 008 19941104s1993 iaua b 00110 eng

• 010 __ |a 93016097

• 020 __ |a 081381359X : |c 534.00

• 040 __ |a CAU

• 050 __ |a S541 |b .H84 1993

• 082 0_ |a 630'.72073 |2 20

• 090 __ |a S-3/HWE

• 100 1_ |a Huffman, Wallace E.

• 245 10 |a Science for agriculture : |b a long-term perspective / |c Wallace E. Huffman & Robert E. Evenson.

• 250 __ |a 1st ed.

• 260 __ |a Ames : |b Iowa State University Press, |c 1993.

• 300 __ |a xv, 268 p. : |b ill. ; |c 26 cm.

• 504 __ |a Includes bibliographies and index.

• 650 _0 |a Agriculture |x Research |x Economic aspects |z United States.

• 650 _0 |a Agriculture |x Research |z United States.

• 700 1_ |a Evenson, Robert E. |q (Robert Eugene)

• 901 __022006009171

• 905 __ |a CAU |f S-3/HWE |b 64835ED-11(or.)

• 907 __ |a CAU |f S-3/HWE |b 64835ED-11(or.)

• 999 __ |t E |A xy1 |a 20060530 08:13:27 |G unknown |g 19980101 |I xy1 |i 20060530 08:13:4