TY  - BOOK
AU  - GIESECKE,FRESERICK E.
AU  - MITCHELL,ALXA
AU  - SPENCER,HENRY CECIL
AU  - HILL,IVAN LEROY
TI  - Principles Of Engineering Graphics, 2ND. ED. / 
U1  - 604. 
PY  - 1994///
CY  - [S.N] : 
PB  - MACMILLAN PUBLBISHING COMPANY ، 
KW  - ENGINEERING GRAPHICS
ER  -