| #521 | Transactions of the I.R.E. Professional group on instrumentation. -- Spojené státy americké : New York : Institute of Radio Engineers, 1952-1954. -- ISSN 2168-1880 |
| #522 | Transactions of the IRE Professional Group on Circuit Theory. -- New York : Institute of Radio Engineers, 1952-1953. -- ISSN 0197-6389 print. -- ISSN 2331-3870 online |
| #523 | Transactions of the IRE. Professional group on electron devices. -- Spojené státy americké : New York : Institute of Radio Engineers, 1954 |
| #524 | Transactions of the IRE Professional Group on Industrial Electronics. -- New York : Institute of Electrical and Electronics Engineers, 1953. -- ISSN 0273-1959 print. -- ISSN 2379-867X online |
| #525 | Transactions of the IRE Professional Group on Microwave Theory and Techniques. -- New York : Institute of Radio Engineers, 1953-1955. -- ISSN 0276-1173 print. -- ISSN 2331-1614 online |
| #526 | Transport in porous media. -- Dordrecht : Reidel. -- ISSN 0169-3913 print. -- ISSN 1573-1634 online |
| #527 | Trend : magazín pro partnery a zákazníky divize Medicínské systémy. -- Praha : Siemens, 2003-. -- ISSN 2533-3674 |
| #528 | TSF pour TV : revue mensuelle pour tous les techniciens de l'électronique. -- Francie : Paris : Chiron, 1925-1960. -- ISSN 1153-8368 |
| #529 | UKW-Berichte. -- Baiersdorf : UKW - Berichte Verlag, 1962-. -- ISSN 0177-7513 |
| #530 | Update : Das Kundenmagazin von Phoenix Contact. -- Blomberg : Phoenix Contact, 1999- |