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1st Author:
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Karpinskii, Aleksandr Petrovich 
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2nd Author:
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3rd Author:
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Year:
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1891 | 
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Title:
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Ob ammoneyakh Artinskogo yarusa i o nekotorykh skhodnykh c nimi kamennougol'nykh formakh. | 
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Reference:
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Zapiski SPb. miner. obshch, 2ser., 27: 15-195, pl.1-5; | 
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Keywords:
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Artinskian; ammonoids | 
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Link:
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