TY  - BOOK
AU  - Warren, S. Edward,
TI  - The elements of descriptive geometry: Shadows and perspective, with a brief treatment of rihedrals transversals, and spherical,axonometric, and oblique projections 
AV  - QA501 W36
PY  - 1882///
CY  - New York
PB  - J. Wiley
KW  - Geometría descriptiva
ER  -