Qgis 1.7.0 user-guide_en
EERWAY
OP_design
QGIS-2.2-UserGuide-fr
OP ReservesDB
Pit Optimisation
SQL Manual
Texture Mapping
Coal Wash Ability
QGIS-2.6-UserGuide-es
Qgis-1.7.0 User Guide En
PTW Userguide