The mineral resource potential of the Harrat Nawasif, sheet 21/42 C, Ranyah, sheet 21/42 D, and Jabal Dalfa, sheet 21/43 C quadrangles, Kingdom of Saudi Arabia [unknown]

Michael D. Fenton
1983 Antarctica A Keystone in a Changing World   unpublished
doi:10.3133/ofr83372 fatcat:7srjzlyw5fawpnkc5up7bunzty