机读格式显示(MARC)

• 000 00789cam 2200241 a 4500

• 000 1000033327

• 001 0000289688

• 005 20060530081817.0

• 008 19920602s1989 mx a b 00010 eng

• 020 __ |a 968612702X : |c IE.

• 040 __ |a CAU

• 090 __ |a S-3/TR

• 100 1_ |a Tripp, Robert.

• 245 14 |a The planning stage of on-farm research : |b identifying factors for experimentation / |c Robert Tripp and Jonathan Woolley.

• 260 __ |a Mexico : |b CIMMYT., |c 1989.

• 300 __ |a vi, 85 p. : |b ill. ; |c 26 cm.

• 504 __ |a Bibliography: p. 84-85.

• 650 _0 |a Agricultural research.

• 700 1_ |a Woolley, Jonathan.

• 901 __022006009179

• 905 __ |a CAU |f S-3/TR |b 63002(or.)

• 907 __ |a CAU |f S-3/TR |b 63002(or.)

• 999 __ |t E |A xy1 |a 20060530 08:17:57 |G unknown |g 19980101 |I xy1 |i 20060530 08:18:2