Protection of the geosites and the monograph "Estonian ancient natural monuments"
                                            autor
                                    
                                    
Raudsepp, Rein
                                                    
                                            
                                            vastutusandmed
                                    
                                    
Enn Pirrus, Rein Raudsepp
                                                    
                                            
                                            ilmumiskoht
                                    
                                    
Tallinn
                                                    
                                            
                                            ilmumisaasta
                                    
                                    
                                
                                            leheküljed
                                    
                                    
p. 9
                                                    
                                            
                                            ISBN
                                    
                                    
9985-815-17-3
                                                    
                                            
                                            keel
                                    
                                    
inglise
                                                    
                                            
                                            märksõna
                                    
                                    
                                
                                            kohamärksõna
                                    
                                    
                                
                            Pirrus, E., Raudsepp, R. Protection of the geosites and the monograph "Estonian ancient natural monuments" // ProGEO '97. Brochure of abstracts : the Second General Assembly of the European Association for the Conservation of the Geological Heritage : scientific conference : Tallinn-Lahemaa National Park, June 2nd-4th, 1997. Tallinn, 1997. p. 9.