TY  - BOOK
AU  - Amarsaikhan Damdinsurengiin
TI  - Update of a gis by rs data using a knowledge-basad approach
PY  - 1997///
CY  - UB.
N1  - Ð¥ÑÑÐ°Ð°Ð½Ð³ÑÐ¹
ER  -