Protection of the geosites and the monograph "Estonian natural monuments"

vastutusandmed
E.Pirrus and R.Raudsep
ilmumiskoht
Tallinn
ilmumisaasta
leheküljed
p. 49-52: ill
ISBN
9985-815-20-3
märkused
Bibl. 1 ref
Pirrus, E., Raudsep, R. Protection of the geosites and the monograph "Estonian natural monuments" // ProGeo '97 in Estonia : proceedings : the Second General Assembly of the European Association for the Conservation of the Geological Heritage : scientific conference : proceedings, Tallinn - Lahemaa National Park, Estonia, June 2-4, 1997. Tallinn, 1998. p. 49-52: ill.