TY  - BOOK
AU  - Cecil Spencer,Henry
AU  - Leroy Hill,Ivan
AU  - Olin Loving,Robert
TI  - Engineering graphics problems
U1  - 604.2076 20
PY  - 1975///
CY  - New York, London
PB  - Macmillan Pub Co., Collier Macmillan Publishers.
KW  - Engineering graphics
KW  - Problems, exercises, etc
ER  -