TY  - BOOK
AU  - Chang,Kang-tsung
TI  - Introduction to geographic information systems
SN  - 9789390185559
U1  - 910.285 21st
PY  - 2020///
CY  - New York
PB  - McGraw Hill Education
KW  - GIS
KW  - Geographical Information Systems
N1  - includes bibliographical references and index
ER  -