TY  - BOOK
AU  - Craig, Jerry W.
AU  - Craig B. Orval
TI  - Engineering Graphics: Text and workbook, 
SN  - 30008084
AV  - T 353 .C73 1997 
PY  - 1994///.
CY  - Kansas
PB  -  Schroff development corporation
KW  - Engineering graphics
ER  -