TY  - BOOK
AU  - Hyman,Jane Wegscheider
TI  - The light book: how natural and artificial light affect our health, mood and behavior 
PY  - 1991///
CY  - New York
PB  - Ballantine Books
KW  - Light
KW  - Physiological effect
N1  - Includes bibliographical references, glossary and index
ER  -