TY  - BOOK
AU  - Helms,Michael E.
TI  - Perspective drawing: a step-by-step handbook 
SN  - 0136592937
AV  - NC750 H45 1990  
PY  - 1990///
CY  - Englewood Cliffs, New Jersey : 
PB  - Prentice Hall., 
KW  - Drawing
KW  - Technique
KW  - Perspective.
N1  - Includes index.
ER  -