. . . . "Miscellanea"@en . . . "History" . . "The eureka! moment : 100 key scientific discoveries of the 20th century" . . "The eureka! moment : 100 key scientific discoveries of the 20th century"@en . . "The eureka! moment : 100 key scientific discoveries of the twentieth century" . "The eureka! moment : 100 key scientific discoveries of the twentieth century"@en . . . . . . "British Library." . . "Natuurwetenschappen." . . "Ontdekkingen." . . "1900 - 1999" . . . .