TY - BOOK ID - 145446322 TI - World coal industry report and directory. PY - 1979 PB - San Francisco : Miller Freeman Publications, DB - UniCat KW - Charbon KW - Mines et ressources minieres KW - Mines et extraction KW - Repertoires UR - https://www.unicat.be/uniCat?func=search&query=sysid:145446322 AB - ER -