TY  - BOOK
AU  - Herzberger,Erwin
TI  - Freehand drawing for architects and designers: watercolor, colored pencil,  black and white techniques 
SN  - 0823019195
PY  - 1996///
CY  - New York
PB  - Whitney Library of Design
KW  - Architectural drawing
KW  - Technique
N1  - Includes index
ER  -