https://catalogue-scientifique.canada.ca/record=1427317~S6*frc
Rechercher Simmons, J. A; Rechercher Bullough, R; Rechercher Simmons, John A; Rechercher Simmons, John Arthur; Rechercher De Wit, R
U.S. National Bureau of Standards; for sale by the Supt. of Docs., U.S. Govt. Print. Off, 1970
Actes de conférence