TY - JOUR T1 - An information systems approach to the preservation of biological diversity JF - International Journal of Geographical Information Systems Y1 - 1990 A1 - Davis, F. W. A1 - Stoms, D. M. A1 - Estes, J. E. A1 - Scepan, J. A1 - Scott, J. M. VL - 4 ER -