TY  - BOOK
AU  - Chang,Kang-Tsung
TI  - Introduction to geographic information systems
SN  - 9781260092585
AV  - G70.212.C4 2019 
PY  - 2019///
CY  - New York
PB  - McGraw-Hill Education
KW  - Geographic information systems
N1  - Includes index and bibliography
ER  -