Project E-30 : utilization of cube wastes of esters distillation and car waste oils
                                            autor
                                    
                                    
                                
                                            vastutusandmed
                                    
                                    
A.Kuusk, V.Kallast
                                                    
                                            
                                            allikas
                                    
                                    
Baltic eco news
                                                    
                                            
                                            ilmumisaasta
                                    
                                    
                                
                                            leheküljed
                                    
                                    
1, p. 5
                                                    
                                            
                                            keel
                                    
                                    
inglise
                                                    
                                            
                            Kuusk, A., Kallast, V. Project E-30 : utilization of cube wastes of esters distillation and car waste oils // Baltic eco news (1992), 1, p. 5.