@article{263473, note = {Distributed to depository libraries in microfiche.}, author = {Sutton, A. Jefferson.}, url = {http://library.usi.edu/record/263473}, title = {Chemical sensors for volcanic gases with a compilation of commercial availability [microform] /}, publisher = {U.S. Dept. of the Interior, U.S. Geological Survey ;}, recid = {263473}, pages = {17 leaves :}, address = {Reston, VA :}, year = {1990}, }