TY  - BOOK
AU  - Chang,Kang-Tsung
TI  - Introduction to geographic information systems
SN  - 9780070658981
U1  - 910.285 
PY  - 2017///
CY  - London
PB  - McGraw-Hill
KW  - Geographic information systems
KW  - Systèmes d'information géographique
KW  - Geoinformationssyste
N1  - Includes references and index
ER  -