TY - RPRT TI - The system K2Mg2(SO4)3 (langbeinite)-K2Ca2(SO4)3 (calcium-langbeinite) AU - G.W. Morey AU - J.J. Rowe AU - R.O. Fournier PY - 1964 DO - 10.1016/0022-1902(64)80232-3 UR - https://pubs.usgs.gov/publication/70010628 ID - 70010628 ER -