8Eugene P. Kennedy. Herman Moritz Kalckar.http://www.nap.edu/readingroom.php?book=biomems&page= hkalckar.html.
9George Oster, Hongyun Wang. ATP Synthase: Two rotary molecular motors working together. Encyclopedia of molecular biology, isbn:0-471-15302-8.users.soe.ucsc.edu/-hongwang/publications/Fl_EMB.pdf.
10Boris A.Feniouk.A brief history of ATP synthase research. http://www.atpsynthase.info/History.html.