TY  - BOOK
AU  - Beakley,George C.
AU  - Chilton,Ernest G.
TI  - Introduction to engineering design and graphics
AV  - TA174 .B4
U1  - 620/.0042 
PY  - 1973///]
CY  - New York
PB  - Macmillan
KW  - Engineering design
KW  - Engineering graphics
ER  -