TY  - BOOK
AU  - Porter, Tom.
AU  - Goodman, Sue.
TI  - Manual of graphic techniques 4: for architects, graphic designer s & artists 
SN  - 0684182165
U1  - 741.6 POR 
PY  - 1985///
CY  - New York
PB  - Scribner
KW  - Graphic arts
KW  -  Technique
ER  -