机读格式显示(MARC)

• 000 00728cam a2200217 a 4500

• 001 0000571009

• 005 20191003155900.0

• 008 730607s1973 us b 00110 eng

• 010 __ |a 73009643

• 040 __ |d ICU |c PUL

• 041 1_ |a eng

• 090 __ |a S157.4-53/AER/(1966)/V.701

• 093 __ |a S157.4-53 |2 5

• 099 __ |a CAL 022000284998 |a CAL 021999619903

• 245 00 |a for presentation at the 1966 winter meeting american society of agricultural engineers. |n NO.701 / |c John M.Laflen.

• 260 __ |a Chicago : |b Wiley, |c 1966.

• 300 __ |a 1 v. : |b ill. ; |c 28 cm.

• 650 _0 |a Agricultural engineering.

• 700 1_ |a Laflen, John M.

• 710 2_ |a Agricultural Engineering Research Division ARS,U.S.Department of Agriculture.

• 920 __ |a 211180 |z 1