TY  - BOOK
AU  - Robert W Gill
TI  - The Thames and Hudson manual of rendering with pen and ink
T2  - Thames and Hudson manuals
SN  - 050067003x
U1  - 720.28 G475t 
PY  - 1973///
CY  - London
PB  - Thames and Hudson
KW  -  Pen drawing. .
KW  - Perspective
KW  - Architectural rendering
ER  -