TY  - BOOK
AU  - Chang,Kang- Tsung
TI  - Introduction to geographic information systems
SN  - 978-1-260-09258-5
AV  - G70.212.C4732 2019 
PY  - 2019///
CY  - New York: 
PB  - Mc-Graw Hill Education, 
KW  - Geographical information systems
N1  - 	Includes bibliographical references and index

ER  -