TY  - BOOK
AU  - Jensen,Cecil
AU  - Helsel,Jay D.
AU  - Voisinet,Donald D.
TI  - Computer-adided engineering drawing =: Using autoCAD 
SN  - 0070675686
U1  - 621.C2 
PY  - 1990///
CY  - New York
PB  - Glencoe/McGraw-Hill
KW  - Computer adied design
ER  -