TY  - BOOK
AU  - Jensen,John R.
AU  - Jensen,Ryan R.
TI  -  Introductory geographic information systems
T2  - Pearson series in geographic information science
SN  - 9780136147763
PY  - 2013///
CY  - Boston
PB  -  Pearson
KW  - Geographic information systems
N1  - Includes bibliographical references and index
ER  -