The varying nature of the precipitation of dicalcium silicate in blast-furnace slags : proceedings of the 2nd Ural petrographic conference /
Lapin, V. V.
Solovova, I. P.
Garston :  Building Research Station, 
1970.
Originally published as O razlichnom kharaktere vydeleniya dvukhkalʹtsevogo silikata v domennykh shlakakh in Petrografiya ogneuporov, shlakov i sinteticheskikh mineralov, 1968, (7), 84-8.