@book{ 0-097691364, title = {Geology, environment and society}, author = {Valdiya, K. S.}, address = {Hyderguda, Hyderabad}, publisher = {Universities Press}, year = {2004}, isbn = {817371505X}, isbn = {9788173715051}, language = {English}, url = {https://katalog.ub.tu-freiberg.de/Record/0-097691364} }