Smith, David Marshall, 1936- Patterns in human geography an introduction to numerical methods / David M. Smith - David & Charles : Newton Abbot Eng. ; Crane Russak & Co. : New York 1975 - 373 p. : ill., maps ; 23 cm. Includes index. Bibliography: p. 352-368. ISBN: 0844807648 LCCN: 75-021520 //r90 Subjects--Topical Terms: Human geography--Mathematics