| #251 | Biotechnology and applied biochemistry. -- San Diego : International Union of Biochemistry, 1986-. -- ISSN 0885-4513 print. -- ISSN 1470-8744 online |
| #252 | Biotechnology and bioengineering. -- New York : Wiley, 1962-. -- ISSN 0006-3592 print. -- ISSN 1097-0290 online |
| #253 | Biotechnology and bioprocess engineering. -- Seoul : Korean society for biotechnology and bioengineeri, 1996-. -- ISSN 1226-8372 print. -- ISSN 1976-3816 online |
| #254 | Biotechnology letters. -- Kew : Science and Technology Letters, 1979-. -- ISSN 0141-5492 print. -- ISSN 1573-6776 online |
| #255 | Bolivia oil & gas report. -- London : Business Monitor International, 2009-. -- ISSN 1758-4698 |
| #256 | BP & R. British plastics and rubber. -- London : Findlay Publications, 1975-. -- ISSN 0307-6164 |
| #257 | Braunkohle. -- Halle Saale : Knapp, 1902-1945. -- ISSN 0366-3043 |
| #258 | Brazil petrochemicals report. -- London : Business Monitor International, 2005-. -- ISSN 1749-2165 |
| #259 | Brennstoff - Chemie. -- Essen : Girardet, 1949-1969. -- ISSN 0006-9620 |
| #260 | Brennstoff-Chemie. -- GERMANY : Essen: Girardet., 1920-1943. -- ISSN 0724-2042 |