| #321 | Plyn magazín. -- Praha : Český plynárenský svaz, 2004-. -- ISSN 1214-8695 |
| #322 | Plyn, voda a zdravotní technika. -- Praha : Státní nakladatelství technické literatury, 1937-1945. -- ISSN 0370-2618 |
| #323 | Plynárenství ve světě. -- Praha : Středisko VTI-Plynoprojekt Praha, 1989-1998. -- ISSN 1210-1044 |
| #324 | Poland oil & gas report. -- London : Business Monitor International, 2004-. -- ISSN 1748-4170 |
| #325 | Poland power report. -- London : Business Monitor International, 2008-. -- ISSN 1754-4157 |
| #326 | Power : the magazine of power-generation technology. -- New York : Hill, 1911-. -- ISSN 0032-5929 print. -- ISSN 1936-7791 online |
| #327 | Power and works engineering : steam, diesels, electricity, transmission, heating. -- Velká Británie : London : Transport Ltd., 1950-1967London : Tothill, 1947-1967 |
| #328 | Power engineer. -- Stevenage : Institution of Electrical Engineers, 2003-. -- ISSN 1479-8344 |
| #329 | Power engineer. -- Indie : Simla : Society of Power Engineers, 1951-. -- ISSN 0971-1635 |
| #330 | Power engineering. -- Tulsa : PenWell, 1950-. -- ISSN 0032-5961 |