机读格式显示(MARC)

• 000 01160pam 2200337 a 4500

• 000 1000002557

• 001 0000276252

• 005 20060607171834.0

• 008 19780817s1978 njua b 00110 eng

• 020 __ |a 0470264276 (Halsted Press)

• 020 __ |z 0916672166

• 040 __ |a CAU

• 050 0_ |a S605.5 |b .O37 1978

• 082 __ |a 338.1/6

• 090 __ |a F3/ORC

• 099 __ |a CAL 022000291731

• 100 1_ |a Oelhaf, Robert C., |d 1938-

• 245 10 |a Organic agriculture : |b economic and ecological comparisons with conventional methods / |c by Robert C. Oelhaf.

• 260 __ |a Montclair, N.J. : |b Allanheld, Osmun ; |a New York : |b Distribution, Halsted Press, |c 1978.

• 300 __ |a xii, 271 p. : |b ill. ; |c 24 cm.

• 500 __ |a Includes index.

• 504 __ |a Bibliography: p. 243-266.

• 650 _0 |a Organic farming |x Economic aspects.

• 650 _0 |a Organic farming.

• 650 _0 |a Agriculture.

• 650 _0 |a Agriculture |x Economic aspects.

• 650 _0 |a Food, Natural.

• 901 __022006011824

• 905 __ |a CAU |f F3/ORC |b 37105(or.) |b 48726-30(or.)

• 907 __ |a CAU |f F3/ORC |b 37105(or.) |b 48726-30(or.)

• 999 __ |t E |A xy1 |a 20060607 17:18:24 |G unknown |g 19980101 |I xy1 |i 20060607 17:18:3