@article{196102, note = {Cover title.}, author = {Eaton, Jerry P.,}, url = {http://library.usi.edu/record/196102}, title = {Merging of analog and digital data in the Northern California Seismic Network, and characteristics of the principal seismic systems it employs [microform] /}, publisher = {U.S. Dept. of the Interior, U.S. Geological Survey,}, recid = {196102}, pages = {24, [4] leaves :}, address = {[Menlo Park, CA] :}, year = {1995}, }