TY  - BOOK
T1  - Descriptive geometry,
DA  - [c1941]
CY  - New York,
CY  - London,
AU  - Levens, A. S.
AU  - Eggers, Henry C. T.,
CN  - QA501 .L65
CN  - QA501
PB  - Harper & Brothers
PP  - New York,
PP  - London,
PY  - [c1941]
N1  - "First edition."
ID  - 63163
KW  - Geometry, Descriptive.
TI  - Descriptive geometry,
ER  -