@article{240756, note = {Cover title.}, author = {Peterson, Jon,}, url = {http://library.usi.edu/record/240756}, title = {Observations and modeling of seismic background noise [microform] /}, publisher = {U.S. Geological Survey,}, recid = {240756}, pages = {1 v. (various pagings) :}, address = {Albuquerque, N.M. :}, year = {1993}, }