TY  - BOOK
AU  - Dobrovolny J.S
AU  - Hipskind J.P
AU  - Bokenkamp R.W
AU  - O'Bryant D.C
TI  - Problems in Enginnering drawing and geometry
U1  - 604.2076 
PY  - 1966///
CY  - Illinois
PB  - Stipes publishing company
KW  - Engineering
ER  -