Müller-Schwarze, D.; Houlihan, P. W. (April 1991). «Pheromonal activity of single castoreum constituents in beaver, Castor canadensis». Journal of Chemical Ecology17 (4): 715–34. doi:10.1007/BF00994195. PMID24258917.
Siegel, Hardo; Eggersdorfer, Manfred. «Ullmann's Encyclopedia of Industrial Chemistry». Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a15_077. ISBN978-3527306732.
Müller-Schwarze, D.; Houlihan, P. W. (April 1991). «Pheromonal activity of single castoreum constituents in beaver, Castor canadensis». Journal of Chemical Ecology17 (4): 715–34. doi:10.1007/BF00994195. PMID24258917.