TY - BOOK ID - 126979436 TI - Columbium and tantalum PY - 1963 PB - New York, N.Y.: Wiley, DB - UniCat KW - Niobium KW - Tantalum UR - https://www.unicat.be/uniCat?func=search&query=sysid:126979436 AB - ER -