TY - RPRT TI - A microcomputer program for energy assessment and aggregation using the triangular probability distribution AU - R. A. Crovelli AU - R.H. Balay PY - 1991 DO - 10.1016/0098-3004(91)90013-4 UR - https://pubs.usgs.gov/publication/70016496 ID - 70016496 ER -