| #721 | Metallurgia : the journal of metals technology. -- Redhill : FMJ International Publications, 1978-2003. -- ISSN 0141-8602 |
| #722 | Metallurgical and materials transactions, A, Physical metallurgy and materials science. -- Pittsburgh : The Minerals, Metals & Materials Society ; ASM International, 1994-. -- ISSN 1073-5623 print. -- ISSN 1543-1940 online |
| #723 | Metallurgical transactions, A, Physical metallurgy and materials science. -- New York : ASM international, 1975-1993. -- ISSN 0360-2133 |
| #724 | Metals and materials : a journal of the Institute of Materials. -- Bury St Edmunds : Institute of Metals, 1985-1992. -- ISSN 0266-7185 |
| #725 | Metals industry news. -- Redhill : FMJ International Publications, 1984-. -- ISSN 0265-8321 |
| #726 | Metalworking Production : the journal of production engineers. -- London : Morgan-Grampian, 1955-. -- ISSN 0026-1033 |
| #727 | Microfluidics and nanofluidics. -- Berlin : Springer-Verlag, 2004-. -- ISSN 1613-4982 print. -- ISSN 1613-4990 online |
| #728 | Microlight flying. -- Banbury : British Microlight Aircraft Association, 1992-. -- ISSN 0968-3100 |
| #729 | Microporous materials. -- Amsterdam : Elsevier Science, 1993-1997. -- ISSN 0927-6513 print. -- ISSN 1873-3107 online |
| #730 | Mining science & technology. -- Amsterdam : Elsevier, 1983-1991. -- ISSN 0167-9031 |