TY - BOOK ID - 134295607 TI - Statistical summary of the mineral industry : world production, exports and imports, 1964-1969 PY - 1971 PB - London : H.M.S.O., DB - UniCat KW - Mineral industries KW - Statistics. UR - https://www.unicat.be/uniCat?func=search&query=sysid:134295607 AB - ER -