TY - RPRT TI - BING; a BASIC computer program for modeling unsteady flow of Bingham viscoplastic material AU - William Z. Savage AU - Philip S. Powers AU - Bernard Amadei PY - 1989 DO - 10.3133/ofr89367 UR - https://pubs.usgs.gov/publication/ofr89367 ID - ofr89367 ER -