@article{6187, recid = {6187}, author = {Bielicki, Richard J.}, title = {Coal mine equipment forecast to 1985 /}, publisher = {U.S. Dept. of the Interior, Bureau of Mines,}, address = {Washington :}, pages = {ii, 37 p. :}, year = {1976}, url = {http://library.usi.edu/record/6187}, }