@misc{ref23,
author = "",
title = "{A}lves {CAS}, {S}equeira {B}raga {MA}, {T}rancoso {A}. {S}aline pollution in trachyte monuments of the {A}zores {I}slands ({P}ortugal). {I}n: {F}assina {V}, editor. {P}roceedings of the 9th international congress on deterioration and conservation of stone, {V}enezia, {I}taly, 19--24 {J}une ",
}