Sleep its nature and physiological organization /
Koella, Werner P. (Werner Paul), 1917-
Sleep its nature and physiological organization / by Werner P. Koella. With a foreword by Hudson Hoagland. - Springfield, Ill. : Thomas, 1967. - 199 p. : ill. ; 24 cm.
Sleep--Physiological aspects.
Sleep its nature and physiological organization / by Werner P. Koella. With a foreword by Hudson Hoagland. - Springfield, Ill. : Thomas, 1967. - 199 p. : ill. ; 24 cm.
Sleep--Physiological aspects.
