TY  - BOOK
AU  - Nelms,Henning
TI  - Thinking with a pencil
SN  - 0389030589
PY  - 1964///
CY  - New York
PB  - Barnes & Noble
KW  - Drawing
KW  - Study and teaching
N1  - Includes index; Includes bibliographical references : p. 331-337
ER  -