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Mendelsohn, J.M. and
Obeid, S.E. Forests and woodlands of Namibia.
Windhoek: RAISON, 2005. Retrieved from http://www.the-eis.com/data/literature/Forests and Woodlands of Namibia 3 Introduction.pdf
on 2017-1-11.
ONLINESAMMLUNG: Dr August Gerber, biography. Retrieved on 19 June 2024 from https://onlinesammlung.freiburg.de/en/person/Gerber, August/34DD7D3F75234E6388D10692DF4355C1
Zelle, E. A contribution to the history of the State Museum in Windhoek, South West Africa. Southern African Museums Association Bulletin (SAMAB), 1958, Vol. 7(2), pp. 29-36.