TY  - BOOK
AU  - Robbins,Ken
TI  - Power machines
SN  - 0805014101 (alk. paper) :
AV  - PS490.R6 1993 
PY  - 1993///
CY  - New York
PB  - H. Holt
KW  - Machinery
N2  - Photographs and text describe such work-saving machines as a crane, jack hammer, bulldozer, and back hoe
ER  -