| #241 | Preprints of papers : American Chemical Society. Division of Fuel Chemistry. -- Washington : American Chemical Society. --  ISSN 0569-3772 | 
| #242 | Preprints of papers - American Chemical Society, Division of Fuel Chemistry. -- Washington :  American Chemical Society. --  ISSN 0569-3772 | 
| #243 | Proceedings of the Combustion Institute. -- Pittsburgh : The Institute, 2000-. --  ISSN 1540-7489 print. --  ISSN 1873-2704 online | 
| #244 | Process. -- Würzburg : Vogel Industrie Medien, 1994-. --  ISSN 0946-2856 | 
| #245 | Process biochemistry. -- Barking : Elsevier, 1991-. --  ISSN 1359-5113 | 
| #246 | Process engineering. -- London : Morgan-Grampian, 1972-. --  ISSN 0370-1859 | 
| #247 | Process safety and environmental protection. -- Rugby : The Institution of Chemical Engineers, 1990-. --  ISSN 0957-5820 print. --  ISSN 1744-3598 online | 
| #248 | Process worldwide : Chemical and pharmaceutical engineering. -- Wuerzburg : Vogel Industrie Medien, 2001-. --  ISSN 1619-9073 | 
| #249 | Profi Ceresit. -- Praha : Henkel ČR | 
| #250 | Profi Thomsit. -- Praha : Henkel ČR |