Jacqui Hayes.Silent witness (неопр.). Cosmos (апрель 2010). — «Nevertheless, the institute continues with its challenging task, and the first phase of the Allen array - 42 antennas - is already operating. The number was chosen as a salute to Douglas Adams' satirical science fiction novel The Hitchhiker's Guide to the Galaxy, in which the number 42 is the 'answer' to the meaning of life, the universe and everything.» Дата обращения: 7 декабря 2015. Архивировано 31 марта 2012 года.
Jacqui Hayes.Silent witness (неопр.). Cosmos (апрель 2010). — «Nevertheless, the institute continues with its challenging task, and the first phase of the Allen array - 42 antennas - is already operating. The number was chosen as a salute to Douglas Adams' satirical science fiction novel The Hitchhiker's Guide to the Galaxy, in which the number 42 is the 'answer' to the meaning of life, the universe and everything.» Дата обращения: 7 декабря 2015. Архивировано 31 марта 2012 года.