TY  - BOOK
AU  - Spencer, Henry Cecil.
AU  - Hill,,Ivan Leroy
AU  - Loving,Robert Olin
TI  - Engineering Graphics Problems Book
U1  - 604.240 23
PY  - 1975///
CY  - New York
PB  - McGraw-Hill
KW  - Engineering graphics
KW  - Problems, exercises, etc
ER  -