TY  - BOOK
AU  - Douglass,Clarence E.
AU  - Hoag,Albert L.
TI  - Descriptive geometry
AV  - QA501 .D58
U1  - 516 
PY  - 1962///]
CY  - New York
PB  - Holt, Rinehart and Winston
KW  - Geometry, Descriptive
ER  -