Knapp, Brian J. Challenge of the human environment / B. J. Knapp, S. R. J. Ross and D. L. R. McCrae - Harlow : Longman, 1989 - 272 p. : ill. ; 24 cm - Longman advanced geography . Includes index ISBN: 0582016371 Subjects--Topical Terms: Human geography Dewey Class. No.: 304.2 / KNC 1989 Universal Decimal Class. No.: 911.3