Asli 7
Reprinted from
RADIATION & AGEING
pages 345-360, 1966
Proceedings of a Colloquium
held in
Semmering, Austria
June 23-24, 1966
Edited by .
Patricia J. Lindop & G. A. Sacher
Printed and Published by
TAYLOR & FRANCIS LTD
Red Lion Court, Fleet Street, London, E.C.4
1966