TY - BOOK ID - 136149616 TI - Report of the international Union of geological Sciences, Subcommission on Carboniferous stratigraphy : C.R. 6e. Congr. Int. Strat. Geol. Carbon. AU - Wagner, R.H. AU - George, T.N. PY - 1969 PB - Sheffield s.n. DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:136149616 AB - ER -