IRScNB_P4087_RBINS16932_38_Bulletin 5.pdf
Bulletin of the Royal Belgian Institute of Natural Sciences 1949-1971 / 38 - 1962 Kier, P.M. 1962.
Redescription of some lower carboniferous Echinoids from Belgium.
irscnb_p4087_rbins16932_38_bulletin-5.pdf — PDF document, 2.43 MB (2547782 bytes)