O'Brien, Larry, Introducing quantitative geography : measurement, methods, and generalised linear models / Larry O'Brien. - London ; New York : Routledge, 1992. - xvi, 356 p. - Routledge geography and environment series . ISBN: 0415004659 (HB) 0415075580 (pbk.) Subjects--Topical Terms: Geography--Mathematics. Dewey Class. No.: 910.0151 / OBR-I