机读格式显示(MARC)

• 000 01340nam 2200361 a 4500

• 000 1000037003

• 001 0000292886

• 005 20091026095435.0

• 008 761208s1975 miua 001 0 eng

• 010 __ |a 76381575 //r83

• 020 __ |c CNY36.26

• 020 __ |c CNY10.58 (Pt. 2)

• 020 __ |c CNY20.85

• 040 __ |a CAU |a CAU

• 043 __ |a n-us---

• 050 0_ |a S711 |b .G7 1975

• 082 __ |a 681/.7631

• 090 __ |a S219/AT

• 093 __ |a S219 |2 4

• 100 1_ |a Gray, Roy Burton, |d 1884-

• 240 10 |a Development of the agricultural tractor in the United States.

• 245 14 |a The agricultural tractor : |b 1855-1950 / |c R.B. Gray.

• 260 0_ |a Saint Joseph, Mich. : |b American Society of Agricultural Engineers, |c revised 1975.

• 300 __ |a 91, 60 p. : |b ill. ; |c 28 cm.

• 500 __ |a Includes indexes.

• 500 __ |a First published in 1954 under title: Development of the agricultural tractor in the United States.

• 505 __ |a Part I. -- 1855 - 1919 -- Part II. -- 1920 - 1950.

• 650 _0 |a Agricultural machinery |z United States |x History.

• 650 _0 |a Farm tractors |z United States |x History.

• 901 __0385002098

• 905 __ |a CAU |f S219/AT |b 49780(or.) |b E0210801(or.) |b E0235116-7Pt.2

• 907 __ |a CAU |f S219/AT |b 49780(or.) |b E0210801(or.) |b E0235116-7Pt.2

• 999 __ |t E |A gypx |a 20071102 14:31:31 |G unknown |g 19980101 |I wzhlc |i 20091026 09:54:3