@misc{indiciae6838dc1252e2, title = {Seismic engineering program report, January-April 1977}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1977}, doi = {10.3133/cir762a}, url = {https://pubs.usgs.gov/publication/cir762A}, note = {Source identifier: cir762A} }