机读格式显示(MARC)

• 000 00997cam 2200289 a 4500

• 000 1000081042

• 001 0000304780

• 005 20070125162652.0

• 008 880205s1988 dcua b i000 0 eng

• 020 __ |a 0821310305 (pbk.) : |c CNY135.55

• 050 0_ |a HD1714 |b .E34 1988

• 082 0_ |a 333.91/3 |2 19

• 090 __ |a F303.1/EIC

• 093 __ |a F303.1 |2 4

• 099 __ |a CAL 022005146542

• 245 00 |a Efficiency in irrigation : |b the conjunctive use of surface and groundwater resources / |c edited by Gerald T. O'Mara.

• 260 __ |a Washington, D.C. : |b World Bank, |c c1988.

• 300 __ |a viii, 196 p. : |b ill. ; |c 28 cm.

• 440 _2 |a A World Bank symposium

• 504 __ |a Includes bibliographies.

• 650 _0 |a Irrigation |x Economic aspects.

• 650 _0 |a Irrigation efficiency.

• 700 1_ |a O'Mara, Gerald T.

• 901 __022006020659

• 905 __ |a CAU |f F303.1/EIC |b E0210611(or.)

• 907 __ |a CAU |f F303.1/EIC |b E0210611(or.)

• 999 __ |t C |A gypx |a 20061228 13:35:48 |I wzhlc |i 20070125 16:26:52 |G wzhlc |g 20070125 16:26:5