Nice app Dear developer, may you please respond to how to authenticate....i cant download articles, and am not the only one facing the problem.
.nice app Dear can any body tell me how to authenticate, or how can i authenticate my self. Respond as soon as possible
Nice and helpful . Nice app for geologist and geological engineers , it helped me a lot , and I love it . . . . Nice app , keep it up .
Access issue I always got fail access. When i register my device .
Feeling sad It said to me ...you cannt download...
Mineralogy A best guide in this field
Mineralogy, Petrology, Geochemistry, Crystallography, Gemstones, Geology toolkit