Grigoriadis A. - Papanikolaou J., Mount Athos. Report for the drafting of a programme of surveyance, infra-structure, conservation and restoration work

Grigoriadis A. - Papanikolaou J., 
Mount Athos. Report for the drafting of a programme of surveyance, infra-structure, conservation and restoration work. 
Thessaloniki 1980