Rujukan WikiPedia: Otto_Stern http://www.oss.uni-frankfurt.de/ http://socialarchive.iath.virginia.edu/ark:/99166/... http://aleph.nli.org.il/F/?func=find-b&local_base=... http://data.bibliotheken.nl/id/thes/p114143714 http://isni.org/isni/0000000110697348 http://www.nasonline.org/publications/biographical... http://nobelprize.org/nobel_prizes/physics/laureat... https://www.idref.fr/083853278 https://id.loc.gov/authorities/names/n85804107 https://nobel.bh.org.il/en/persona/stern-otto/
