| #441 | Mathematical methods of operations research. -- Heidelberg : Physica, 1996-. -- ISSN 1432-2994 print. -- ISSN 1432-5217 online |
| #442 | Measurement science and technology. -- Bristol : Institute of Physics, 1990-. -- ISSN 0957-0233 print. -- ISSN 1361-6501 online |
| #443 | Memoirs of the Faculty of Science Kochi University., Serie D. -- Kochi : Department of Science Faculty of Biology Kochi University, 1980-. -- ISSN 0389-0287 |
| #444 | M + A Messeplaner : Messen und Ausstellungen. -- Frankfurt am Main : Verlag für Messen, Ausstellungen und Kongresse GmbH, 1986-. -- ISSN 0932-3317 |
| #445 | Messtec drives automation : das Magazin für Messen, Steuern, Antrieben, Prüfen. -- Weinheim : GIT Verlag, 2010-. -- ISSN 2190-4154 |
| #446 | Metascience. -- Manly : Australasian Association for the History, Philosophy and Social Studies of Science, 1984-. -- ISSN 0815-0796 print. -- ISSN 1467-9981 online |
| #447 | Methods and applications in fluorescence. -- Bristol : Institute of Physics, 2013-. -- ISSN 2050-6120 online |
| #448 | Metrologie v praxi. -- Ostrava : Unimetra, 1992-2000. -- ISSN 1213-1407 |
| #449 | Micro & nano letters. -- London : Institution of Engineering and Technology, 2006-. -- ISSN 1750-0443 online |
| #450 | Mineralogical Magazine and Journal of the Mineralogical Society. -- London : Mineralogical Society, 1876-1968. -- ISSN 0369-0148 |