TY  - BOOK
AU  - Martin,David
TI  - Geographic information systems and their socioeconomic applications / 
T2  - Routledge geography, environment, and planning series
SN  - 0415056977
U1  - 910 20
PY  - 1991///
CY  - London, New York
PB  - Routledge
KW  - Geographic systems
KW  - Surveying
KW  - Geographic information
N1  - Includes bibliographical references (p. [167]-178) and index
ER  -