|   | 
Authors | 
Year | 
Title | 
 
 | 
Abramov | 
1970 | 
Biostratigraphy of the Carboniferous of the Sette-Daban Range, Southern Verkhoyansk Region, USSR.	 
6ieme Congres International du Stratigraphie et Géologie Carbonifère Sheffield 1967, 2: 373-376, Sheffield.	 
 | 
 
 | 
Abramov | 
1970 | 
Biostratigrafiia kammenougol'nykh otlozhenii Sette-Dabana (yuzhnoe Verkhoian'e).	 
1-178, 10 tabls., 38 pls., Moskva (Nauka).	 
 | 
 
 | 
Nassichuk | 
1975 | 
Carboniferous ammonoids and stratigraphy in the Canadian Arctic Archipelago.	 
Bulletin of the Geological Survey of Canada, 237: 1-240, fig.1-57, tab.1-33, pl.1-18; Ottawa.	 
 | 
 
 | 
Popov | 
1970 | 
Ammonoidei. In: Stratigrafiya kamennougol'nykh i permskikh otlozhenii Severnogo Verkhoyan'ya.	 
Trudy Nauchno-issledovatel'skogo instituta Geologii Arktiki,  1970: 113-140, fig.5-27, pl.13-19; Leningrad.	 
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