APA: 
Delvalle, David (1988/1989). Microfacies analysis of limestone from the Upper Cretaceous to the Lower Eocene of SW Slovenia (Yugoslavia). 
Geologija, letnik 31/32. 
URN:NBN:SI:DOC-ISQLVEQP from http://www.dlib.si
 
                           MLA: 
Delvalle, David. "Microfacies analysis of limestone from the Upper Cretaceous to the Lower Eocene of SW Slovenia (Yugoslavia)." 
Geologija letnik 31/32 (1988/1989).
<http://www.dlib.si/?URN=URN:NBN:SI:DOC-ISQLVEQP>