Estonian oil shale resources calculated by GIS method
author                    
                    
                
statement of authorship                    
                    
I.Valgma
                            
                    
source                    
                    
                
journal volume number month                    
                    
V. 20
                            
                    
year of publication                    
                    
                
pages                    
                    
3, Special, p. 404-411 : ill
                            
                    
subject term                    
                    
                
subject of location                    
                    
                
ISSN                    
                    
0208-189x
                            
                    
notes                    
                    
Bibliogr.: 9 ref
                            
                    
language                    
                    
inglise
                            
                    
                            Valgma, I. Estonian oil shale resources calculated by GIS method // Oil shale (2003) V. 20, 3, Special, p. 404-411 : ill.