Use of the grid system to plot the distribution of avifauna in Sri Lanka - Nanthakumar, N..Open University of Sri Lanka,Colombo 10; Kotagama, S.W..Open University of Sri Lanka,Colombo 10; Ginige, P..Open University of Sri Lanka,Colombo 10 (Proceedings of the 43 Annual Session,Part I-Abstrascts, 1987)
Keywords: Engineering, Architecture and Surveying; -