机读格式显示(MARC)

• 000 00977cam 2200265 a 4500

• 000 1000033558

• 001 0000289908

• 005 20060608092049.0

• 008 19920918s1971 wiu b 10000 eng

• 020 __ |c 2.00(Pr.)

• 040 __ |a CAU

• 090 __ |a F30-53/ACW

• 245 00 |a Agronomy in a changing world and research needs for the seventies / |c editors, C.A. Black ... [et al.].

• 260 __ |a Madison : |b American Society of Agronomy, |c 1971.

• 300 __ |a v, 65 p. ; |c 23 cm.

• 490 0_ |a ASA special publication ; |v No. 19

• 500 __ |a This special publication includes the papers in two related symposia of general interest to agronomists.

• 504 __ |a Bibliography: p. 33.

• 650 _0 |a Agricultural research |x Congresses.

• 700 1_ |a Black, C.A.

• 710 2_ |a American Society of Agronomy.

• 901 __022006011846

• 905 __ |a CAU |f F30-53/ACW |b 63216(or.)

• 907 __ |a CAU |f F30-53/ACW |b 63216(or.)

• 999 __ |t E |A xy1 |a 20060608 09:20:36 |G unknown |g 19980101 |I xy1 |i 20060608 09:20:5