@article{195557, recid = {195557}, author = {Maksimovic, S. D. and Mowrey, Gary L.}, title = {Evaluation of several natural gamma radiation systems - a preliminary study [microform] /}, publisher = {U.S. Dept. of the Interior, Bureau of Mines,}, address = {[Washington, D.C.?] :}, pages = {iii, 48 p. :}, year = {1995}, note = {Distributed to depository libraries in microfiche.}, url = {http://library.usi.edu/record/195557}, }