TY  - BOOK
AU  - Laurini, Robert
AU  - Thompson, Derek
TI  - Fundamentals of spatial information systems
SN  - 0124383807
U1  - 910.285 
PY  - 1992///
CY  - London
PB  - Academic Press
KW  - Geographic information systems
N1  - Includes bibliographical references and index (p. 667-670)
ER  -