TY  - BOOK
AU  - NICHOLS, HERBERT L.
TI  - EARTH THE MOVING: THE WORKBOOK OF EXCAVATION
T2  - 0
U1  - 525 
PY  - 1976///
CY  - U.S.A.
PB  - NORTH CASTLE BOOKS
KW  - CIENCIAS PURAS
N1  - WORK-MACHINES
ER  -