TY  - BOOK
AU  - Chang, Kang-Tsung.
TI  -  Introduction to geographic information systems
SN  - 9780077294366
U1  - 910.285 22
PY  - 2010///
CY  - Boston
PB  - McGraw-Hill
KW  - Geographic information systems
N1  - Includes bibliographical references and index
UR  -  http://www.loc.gov/catdir/enhancements/fy0 909/2008028920-t.html
ER  -