"Vilhelm Friman Koren Bjerknes, 1862-1951". Obituary Notices of Fellows of the Royal Society. 7 (20): 303–317. 1951. doi:10.1098/rsbm.1951.0002. ISSN1479-571X.
worldcat.org
"Vilhelm Friman Koren Bjerknes, 1862-1951". Obituary Notices of Fellows of the Royal Society. 7 (20): 303–317. 1951. doi:10.1098/rsbm.1951.0002. ISSN1479-571X.