TY - RPRT TI - 40Ar/39Ar laser probe evidence concerning the age and associated hazards of the Lake Nyos Maar, Cameroon AU - G. B. Dalrymple AU - J. P. Lockwood PY - 1990 DO - 10.1007/bf00124394 UR - https://pubs.usgs.gov/publication/70015869 ID - 70015869 ER -