TY  - BOOK
AU  - Lo,C.P.
AU  - Yeung,Albert K.W.
TI  - Concepts and techniques of geographic information systems
SN  - 013149502X
U1  - 910.285 23
PY  - 2007///
CY  - Upper Saddle River, Nueva Jersey, USA
PB  - Pearson Education
KW  - GIS
KW  - Geographic information systems
KW  - Sistemas de información geográfica
ER  -