Autor:	Beck, I T, Kahn, D S, Lacerte, M, Solymar, J, Callegarini, U, Geokas, M C
Zdroj:	Gut; Aug1965, Vol. 6 Issue 4, p376-383, 8p, 6 Black and White Photographs, 5 Charts, 1 Graph
Databáze:	Complementary Index
Externí odkaz: