| #1801 | Trinidad & Tobago oil & gas report. -- London : Business Monitor International, 2004-. -- ISSN 1748-4308 |
| #1802 | U plynárny 500 : Měsíčník koncernu Pražská plynárenská. -- Praha : Pražská plynárenská, 2000- |
| #1803 | Ukraine oil & gas report. -- London : Business Monitor International, 2005-. -- ISSN 1748-4324 |
| #1804 | Ukraine petrochemicals report. -- London : Business Monitor International, 2005-. -- ISSN 1749-2513 |
| #1805 | Ukrainskij himičeskij žurnal. -- Kijev : Institut obščej i neorganičeskoj chimii NAN Ukrainy, 1948-. -- ISSN 0041-6045 |
| #1806 | Ukrajinskij biochimičeskij žurnal. -- Kijev : Naukova Dumka, 1926-. -- ISSN 0201-8470 |
| #1807 | Ultrasonics sonochemistry. -- Oxford : Butterworth-Heinemann, 1994-. -- ISSN 1350-4177 print. -- ISSN 1873-2828 online |
| #1808 | Unfallschutz im Chemiebetrieb. -- Německo : Heidelberg : A. Hüthig, 1964- |
| #1809 | Unipetrol magazín. -- Praha : Unipetrol, 1998-2006 |
| #1810 | United Arab Emirates chemicals report. -- London : Business Monitor International, 2005-. -- ISSN 1749-2106 |