Solid-state equilibria in the CaO-Al2O3-SiO2-CaF2 quaternary system /
Massazza, F.
Pezzuoli, M.
Garston :  Building Research Station, 
1969.
Originally published as Équilibres à l'état solide dans le système quaternaire CaO-Al2O3-SiO2-CaF2, in Revue des matériaux de construction, 1969, (642-March), 81-86.