Kutschera, Ulrich (December 2003). "A comparative analysis of the Darwin-Wallace papers and the development of the concept of natural selection". Theory in Biosciences. 122 (4): 343–359. doi:10.1007/s12064-003-0063-6. ISSN1431-7613. S2CID24297627.
Kutschera, Ulrich (December 2003). "A comparative analysis of the Darwin-Wallace papers and the development of the concept of natural selection". Theory in Biosciences. 122 (4): 343–359. doi:10.1007/s12064-003-0063-6. ISSN1431-7613. S2CID24297627.
Amazonian forest through the last glacial maximum. Comment 1 by Brian Roy Rosen (paleontologist), 16 January 2017. Original article by Steve Drury, 13 January 2017. Earth-pages – Research News from the Earth Sciences. Accessed 19 August 2022.
Kutschera, Ulrich (December 2003). "A comparative analysis of the Darwin-Wallace papers and the development of the concept of natural selection". Theory in Biosciences. 122 (4): 343–359. doi:10.1007/s12064-003-0063-6. ISSN1431-7613. S2CID24297627.