TY  - BOOK
AU  - Manaois, German M.
TI  - Drafting: volume one 
SN  - 971-06-2180-7
U1  - Fil. 604.24 M266o 1983 
PY  - 1983///
CY  - Quezon City
PB  - Phoenix Publishing House, 
KW  - Mechanical drawing
KW  - Drafting
ER  -