机读格式显示(MARC)

• 000 00631cam a2200217 a 4500

• 001 0000578209

• 005 20190907153400.0

• 008 190907s1987 ctuaf b 00110 engsu

• 020 __ |a 0813814405

• 040 __ |a DLC |c DLC

• 090 __ |a F324.1/BAG

• 093 __ |a F324.1 |2 4

• 100 1_ |a Ball, A. Gordon

• 245 10 |a Size, structure, and future of farms / |c Edited by A. Gordon Ball and Earl O. Heady.

• 250 __ |a [1st ed.]

• 260 __ |a Ames : |b Iowa State University Press, |c 1972.

• 300 __ |a 2 v. ; |c 23 cm.

• 504 __ |a Includes bibliographies.

• 650 _0 |a Farms |z United States.

• 700 1_ |a Heady, Earl Orel, |d 1916-

• 920 __ |a 211180 |z 1