en photoelectric effect
― ExternalURL ⟶
Weight: 1.0
wikidata.dbpedia.org /resource/Q83213 Source: DBPedia 2015
en photoelectric effect
― ExternalURL ⟶
Weight: 1.0
dbpedia.org Photoelectric effect Source: DBPedia 2015
en photoelectric effect
― ExternalURL ⟶
Weight: 0.25
en.wiktionary.org photoelectric effect Source: English Wiktionary