TY  - BOOK
AU  - Springer,R.D.
TI  - Basic graphics: drawing and descriptive geometry 
U1  - 744.422 
PY  - 1963///
CY  - Boston
PB  - Allyn and Bacon
KW  - Engineering graphics
KW  - Geometry, descriptive
KW  - Mechanical drawing
N1  - Includes index
ER  -