@misc{indiciaeab0464672a9e, title = {Recommendations for an orientation geochemical survey of the Avissawella quadrangle, Ceylon}, author = {William C. Overstreet}, year = {1972}, doi = {10.3133/ofr72278}, url = {https://pubs.usgs.gov/publication/ofr72278}, note = {Source identifier: ofr72278} }