Proceedings of the international conference on “Habitat fragmentation, infrastructure and the role of ecological engineerind"Maastricht & DenHague 1995, pp. 40-54. Delft, The Netherlands: Ministry of Transport, Public Works and Water Management, Road and Hydraulic Engineering division.
Kesi ya mkutano wa kimataifa juu ya "mgawanyiko Habitat, miundombinu na jukumu la engineerind mazingira"Maastricht & DenHague 1995, pp. 40-54. Delft, Uholanzi: Wizara ya Usafiri, Umma na Usimamizi wa Maji, Barabara na mgawanyiko Hydraulic Engineering.