TY  - BOOK
AU  - Küppers, Harald
AU  - Bradley, F. 
TI  - Color; origin, systems, uses
SN  - 442299850
AV  - ND 1280 .K87 1972 
PY  - 1972///
CY  - [Place of publication not identifed]
PB  - [publisher not identified]
KW  - COLOR
N1  - Includes bibliographical references; General section -- Physiological section -- Systematic section -- The Rhombohedral system -- Conclusions
ER  -