TY  - BOOK
AU  - Havers, John A. (John Alan), 1925-
AU  - Stubbs, Frank W. (Frank Whitworth), 1898-1967
TI  - Handbook of heavy construction. (2d ed.)
SN  - 0070272786
AV  - TA 151 Han 
PY  - 1971///
CY  - New York
PB  - McGraw-Hill
KW  - ENGINEERING--HANDBOOKS,MANUALS, E.T.C
ER  -