1. Birks H.J.B. 1998. Numerical tools in paleolimnology-progress, potentialities, and pro?lems. J. Paleolim. 20: 307-332.
2. Chrispeels A. 1959. Larves de Chironomidae (Diptera Nematocera). Inst. Roy. Sci. Nat. Belg. Exploration hydro?iologique des Lacs Kivu, Edouard et Al?ert. Resultats scientifiques. 3/3: 139-188.
3. Cranston P.S., Oliver D.R. and Sæther O.A. 1983. The larvae of Orthocladiinae (Diptera: Chironomidae) of the Holarctic region-keys and diagnoses. Ent. Scand. Suppl. 19: 149-291.
4. Cranston P.S. and Judd D.D. 1989. Diptera: Fam. Chironomidae of the Ara?ian Peninsula. In: Krupp F. (ed.) Fauna of Saudi Ara?ia 10: 236-289.
5. De Deyne P. 1999. Ha?itat selection of larval Chironomidae (Insecta: Diptera) in a fluctuating tropical lake ecosystem (Eake Naivasha, Kenya) [in Dutch]. Unpu?lished thesis, Ghent University, 50 pp.