↑ Jacob Bjerknes - the Synthesizer Archived 15 April 2011 at the Wayback Machine (University of Washington) ↑ Jacob Bjerknes (Norsk biografisk leksikon) 1 2 Halvor Solberg (Store norske leksikon) ↑ The Life and Science of Jacob Bjerknes (Creighton University Department of Atmospheric Sciences) ↑ Carl Anton Bjerknes (Norsk biografisk leksikon) ↑ Jacob Aall Bonnevie Bjerknes (1897–1975) Archived 19 August 2011 at the Wayback Machine (American Geophysical Union) ↑ Magasinet, supplement to Dagbladet, 11 February 2014. pp 14-24 ↑ Nova (1998).