| #51 | Journal of luminescence. -- Amsterdam : Elsevier, 1970-. -- ISSN 0022-2313 print. -- ISSN 1872-7883 online |
| #52 | Journal of radioanalytical and nuclear chemistry. -- Budapest : Akadémiai Kiadó, 1997-. -- ISSN 0236-5731 print. -- ISSN 1588-2780 online |
| #53 | Journal of radioanalytical and nuclear chemistry : Artickels, Letters. -- Budapest : Akadémiai Kiadó, 1984-1996. -- ISSN 0236-5731 |
| #54 | Journal of the ICRU. -- Ashford : Nuclear Technology Publishing, 2001-. -- ISSN 1473-6691 |
| #55 | Kerntechnik : independent journal for nuclear engineering, energy systems ... -- München : Hanser, 1987-. -- ISSN 0932-3902 |
| #56 | Kovové materiály. -- Bratislava : Ústav materiálov a mechaniky strojov SAV, 1963-. -- ISSN 0023-432X print. -- ISSN 1338-4252 online |
| #57 | Kybernetika. -- Praha : Institute of Inf. Theory and Automation of the ASCS, 1965-. -- ISSN 0023-5954 |
| #58 | Laser and particle beams : pulse power and high energy densities. -- Cambridge : Cambridge University Press, 1983-. -- ISSN 0263-0346 print. -- ISSN 1469-803X online |
| #59 | Letters in mathematical physics. -- Dordrecht : Reidel, 1975-. -- ISSN 0377-9017 print. -- ISSN 1573-0530 online |
| #60 | Lidé a země : zeměpisný a cestopisný měsíčník. -- Praha : Mladá fronta, 1952-. -- ISSN 0024-2896 |