@inproceedings{1055796, title = "Performance criteria for stone treatment", author = "Gauri, K. Lal and Gwinn, J. A. and Popli, R. K.", year = "1976", pages = "143-152", booktitle = "2ον Διεθνές συμπόσιον επί της καταστροφής των λίθων είς κατασκευάς. 2me Colloque international sur la détérioration des pierres en oeuvre. 2nd International symposium on the deterioration of building stones" }