机读格式显示(MARC)

• 000 00620cam a2200205 a 4500

• 001 0000571031

• 005 20191003123400.0

• 008 730607s1973 us b 00110 eng

• 010 __ |a 73009643

• 040 __ |d ICU |c PUL

• 041 1_ |a eng

• 090 __ |a S157.4/LDH/(1970)/V.340

• 093 __ |a S157.4 |2 5

• 099 __ |a CAL 022000284998 |a CAL 021999619903

• 100 1_ |a Lenker D.H.

• 245 10 |a For presentation at the 1970 winter meeting american society of agricultural engineers. |n NO.340 / |c D.H.Lenker.

• 260 __ |a Chicago : |b Wiley, |c 1970.

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

• 650 _0 |a Gricultural engineering.

• 920 __ |a 211180 |z 1