TY  - BOOK
AU  - Robertson,Scott
AU  - Bertling,Thomas
TI  - How to render: the fundamentals of light, shadow and reflectivity 
SN  - 9781933492964
PY  - 2013///
CY  - Culver City, California
PB  - Design Studio Press, 
KW  - Shades and shadows in art
KW  - Perspective
KW  - Drawing
KW  - Technique
N1  - Includes bibliographical references (pages 270-271) and index
ER  -