机读格式显示(MARC)
- 000 01077cam 2200301 a 4500
- 008 891204s1990 iaua b 001 0 eng
- 020 __ |a 0893730750 : |c CNY10.00
- 040 __ |a DLC |c DLC |d DLC
- 050 10 |a SF91 |b .M4 1990
- 082 00 |a 636.08/31 |2 20
- 245 00 |a Mechanical ventilating systems for livestock housing / |c [prepared under the direction of the Ventilation Subcommittee of the Midwest Plan Service].
- 260 __ |a Ames, Iowa : |b The Service, |c 1990.
- 300 __ |a ii, 70 p. : |b ill. ; |c 28 cm.
- 504 __ |a Includes bibliographical references (p. 68).
- 650 _0 |a Livestock |x Housing |x Heating and ventilation.
- 710 2_ |a Midwest Plan Service. |b Ventilation Subcommittee.
- 905 __ |a CAU |f S815.9/MVS |b E0210394(or.)
- 907 __ |a CAU |f S815.9/MVS |b E0210394(or.)
- 999 __ |t C |A gxr |a 20070717 10:31:52 |I wzhlc |i 20071018 10:55:02 |G wzhlc |g 20071018 10:55:0