TY  - BOOK
AU  - Edwards, Chester W.
TI  - Overlay drafting systems 
SN  - 007019047X
U1  - 741.6 
PY  - 1984///
CY  - New York
PB  - McGraw-Hill
KW  - Overlay drafting systems [Browse]
KW  - Structural drawing [Browse]
KW  - Architectural drawing [Browse]
ER  -