Weber, Dietmar; Bischoff, Adolf (1994). "Grossite (CaAl4O7) – a rare phase in terrestrial rocks and meteorites". European Journal of Mineralogy. 6 (4): 591–594. Bibcode:1994EJMin...6..591W. doi:10.1127/ejm/6/4/0591.
Weber, Dietmar; Bischoff, Adolf (1994). "Grossite (CaAl4O7) – a rare phase in terrestrial rocks and meteorites". European Journal of Mineralogy. 6 (4): 591–594. Bibcode:1994EJMin...6..591W. doi:10.1127/ejm/6/4/0591.