TY  - BOOK
AU  - Herzberger,Erwin
TI  - Freehand drawing for architects and designers: watercolor, colored pencil, and black and white techniques 
SN  - 0823019195
U1  - 720.284 
PY  - 1996///
CY  - New York, NY.
PB  - Whitney Library of Design
KW  - Dibujo arquitectónico
KW  - Técnicas
ER  -