@inproceedings{inproceedingsecbc9d28, title = {Some considerations on the present situation of underground waste disposal in brazil and its perspectives}, author = {Ayres da Silva, Lineu Azuaga and Stellin Junior, Antônio and Born, Helmut}, year = {1992}, publisher = {Balkema}, booktitle = {International Conference on Environmental Issues and Management of Waste in Energy and Mineral Production} }