Encyclopædia Britannica Online, oppført som Stanislaw Marcin Ulam, Encyclopædia Britannica Online-ID biography/Stanislaw-Marcin-Ulam, besøkt 9. oktober 2017[Hentet fra Wikidata]
Sullivan, Walter (15. mai 1984). «STANISLAW ULAM, THEORIST ON HYDROGEN BOMB». The New York Times (på engelsk). ISSN0362-4331. Besøkt 21. desember 2023. «Stanislaw M. Ulam, who has been described as one of the greatest contemporary mathematicians and who played a key role in developing the hydrogen bomb, died Sunday in Santa Fe, N.M.,»
pwn.pl
encyklopedia.pwn.pl
Internetowa encyklopedia PWN, encyklopedia.pwn.pl, Internetowa encyklopedia PWN-ID 3991045[Hentet fra Wikidata]
worldcat.org
Sullivan, Walter (15. mai 1984). «STANISLAW ULAM, THEORIST ON HYDROGEN BOMB». The New York Times (på engelsk). ISSN0362-4331. Besøkt 21. desember 2023. «Stanislaw M. Ulam, who has been described as one of the greatest contemporary mathematicians and who played a key role in developing the hydrogen bomb, died Sunday in Santa Fe, N.M.,»