TY  - BOOK
AU  - Wolstenholme,G.E.W.
AU  - O'Connor,Maeve
ED  - Ciba Foundation Symposium on the nature of sleep
TI  - The nature of sleep
U1  - 612.8217082 
PY  - 1961///
CY  - London
PB  - J and A Churchill
KW  - Sleep
KW  - wake cycle
KW  - Stages
KW  - Physiological aspects
N1  - Includes index
ER  -