Dagys, A. S. (1972). Iavleniia metakhoreza sredi triasovykh spiriferinid [The occurrence of a Metachoresa in Triassic Spiriferida]. Akademiia Nauk SSSR, Sibirskoe Otdelenie, Institut Geologii i Geofiziki, Trudy. 111: 34-44.
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Dagys, A. S.
1972
Iavleniia metakhoreza sredi triasovykh spiriferinid [The occurrence of a Metachoresa in Triassic Spiriferida].
Akademiia Nauk SSSR, Sibirskoe Otdelenie, Institut Geologii i Geofiziki, Trudy