A study of the protection of calcareous stone by means of silicone resins /
Gérard, R.
Irwin, N. T.
London :  Property Services Agency Library, 
1976.
Originally published as 'Étude de la protection des pierres calcaires au moyen de resines silicones' in: The treatment of stone: proceedings of the joint committee for the conservation of stone, Bologna, October 1-3, 1971, p. 145-164.