| #11 | Acta mechanica. -- Wien : Springer, 1965-. -- ISSN 0001-5970 print. -- ISSN 1619-6937 online |
| #12 | Acta metallurgica. -- New York : Pergamon Press, 1953-. -- ISSN 0001-6160 print. -- ISSN 1878-0768 online |
| #13 | Acta metallurgica et materialia. -- Tarrytown : Elsevier Science, 1990-1995. -- ISSN 0956-7151 print. -- ISSN 1873-2879 online |
| #14 | Acta Polytechnica : Journal of advanced engineering. -- Prague : The Czech Technical University-Publishing House, 1992-. -- ISSN 1210-2709 |
| #15 | Acta technica CSAV. -- Praha : Ústav termomechaniky AV ČR, 1956-. -- ISSN 0001-7043 |
| #16 | Advances in Applied Probability. -- Sheffield : Applied Probability Trust, 1969-. -- ISSN 0001-8678 print. -- ISSN 1475-6064 online |
| #17 | Advances in water resources. -- Southampton : C.M.L. Publications, 1977-. -- ISSN 0309-1708 print. -- ISSN 1872-9657 online |
| #18 | AeroHobby : časopis o všech podobách létání. -- Praha; Bratislava (2015-) : Aeromedia, Magnet Press Slovakia, 2004-. -- ISSN 1214-4975 |
| #19 | Aerokosmičeskaja Technika. -- Moskva : Mir, 1983-. -- ISSN 0208-1849 |
| #20 | Aerokurier. -- Stuttgart : Motor-Presse Stuttgart, 1976-. -- ISSN 0341-1281 |