@article{215997, recid = {215997}, author = {Johnson, Carl E. and Lindh, Allan. and Hirshorn, Barry F.}, title = {Robust regional phase association /}, publisher = {U.S. Geological Survey,}, address = {[Menlo Park, CA] :}, pages = {16 leaves, [5] leaves of plates :}, year = {1997}, note = {Cover title.}, url = {http://library.usi.edu/record/215997}, }