TY  - BOOK
AU  - Manaois, German M.
TI  - Drafting. : volume one / 
SN  - 971-06-0627-1
U1  - 604.24 
PY  - 1983///]
CY  - Quezon City : 
PB  - Phoenix Publishing House, Inc., 
KW  - Engineering
KW  - Geometrical drawing
KW  - Mechanical drawing
ER  -