机读格式显示(MARC)

• 000 01021cam 2200289 a 4500

• 000 1000008172

• 001 0000281479

• 005 20060530082132.0

• 008 19890626s1988 enka b 00110 eng

• 020 __ |a 0521348870 : |c 91.54

• 040 __ |a CAU

• 050 __ |a S544 |b .R65 1988

• 082 __ |a 630'.7'15

• 090 __ |a S-39/RNG

• 100 1_ |a Roling, Niels G.

• 245 10 |a Extension science : |b information systems in agricultural development / |c Niels Roling.

• 260 __ |a Cambridge : |b Cambridge University Press, |c 1988.

• 300 __ |a xii, 233 p. : |b ill. ; |c 23 cm.

• 490 0_ |a Wye studies in agricultural and rural development

• 500 __ |a Includes indexes.

• 504 __ |a Bibliography: p. [216]-224.

• 650 _0 |a Information storage and retrieval systems |x Agriculture.

• 650 _0 |a Agricultural extension work |x Technological innovations.

• 901 __022006009186

• 905 __ |a CAU |f S-39/RNG |b 60194(or.)

• 907 __ |a CAU |f S-39/RNG |b 60194(or.)

• 999 __ |t E |A xy1 |a 20060530 08:21:20 |G unknown |g 19980101 |I xy1 |i 20060530 08:21:3