Stabilization of verneuil boules of the composition Ca2SiO4 (C2S) by Ca3 (PO4)2 (C3P) and V2O5 /
Saalfeld, H.
Garston, Watford :  Building Research Establishment, 
1972.
Translated from Berichte der Deutschen Keram. Ges., 1971, 48 (10), 435-40.