@misc{indiciaecda9137037f9, title = {Brief descriptions of STATPAC and related statistical programs for the IBM personal computer}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1984}, doi = {10.3133/ofr84522}, url = {https://pubs.usgs.gov/publication/ofr84522}, note = {Source identifier: ofr84522} }