TY  - BOOK
AU  - Paré, Eugene George
AU  - Loving, Robert O
AU  - Hill, Ivan L
TI  - Descriptive geometry worksheets: series b 
AV  - QA 501 P32.1973
PY  - 1973///
CY  - New York
PB  - Macmillan
KW  - Geometría descriptiva
ER  -