机读格式显示(MARC)
- 000 00878nam 2200277 a 4500
- 008 081118s1961 azua b 000 0 eng d
- 100 1_ |a Drevdahl, Elmer R.
- 245 10 |a Profitable use of excavation equipment / |c Elmer R. Drevdahl, Jr.
- 260 __ |a Tucson, Ariz. : |b Technical Publications ; |b Desert Laboratories, |c [1961]
- 300 __ |a 1 v. (various pagings) : |b ill. ; |c 26 cm.
- 504 __ |a Includes bibliographical references.
- 650 _0 |a Excavating machinery.
- 905 __ |a CAU |f TU621/DER |b E0235172
- 907 __ |a CAU |f TU621/DER |b E0235172
- 999 __ |t A |A gxr |a 20081118 09:40:18 |I gxr |i 20081118 09:42:47 |G gxr |g 20090109 16:14:2