| #1531 | Reactive polymers. -- Amsterdam : Elsevier Science, 1989-1996. -- ISSN 0923-1137 |
| #1532 | Reactor fuel processing. -- Spojené státy americké : Washington : U.S. Atomic Energy Commission, 1958-1966 |
| #1533 | Reactor Materials. -- Spojené státy americké : Washington : U.S. Atomic Energy Commission, 1958-1970 |
| #1534 | Reactor Technology. -- Spojené státy americké : Washington : U.S. Atomic Energy Commission, 1970-1973 |
| #1535 | Reakcionnaja sposobnost’ organičeskich sojedinenij : Periodičeskij ekspress-sbornik naučnych statej. -- Tartu : Tartu University, 1974-1995. -- ISSN 0375-9520 |
| #1536 | Recent Trends in Charged Particle Optics and Surface Physics Instrumentation : proceedings of the ... international seminar, held in Skalsky dvůr near Brno, Czech Republic, from ... / organised by the. -- Česká Republika : [Prague] : Czechoslovak Microscopy Society, 1988 Prague : Institute of Scientific Instruments The Czech Academy of Scie, 2002- |
| #1537 | Record od Chemical Progress. -- Spojené státy americké : New York, 1962-1971 |
| #1538 | Recueil des travaux chimiques des Pays-Bas. -- Nizozemsko : Leiden : Sijthoff, 1882-1896 |
| #1539 | Recueil des travaux chimiques des Pays-Bas. -- Nizozemsko : Hague : Sigma Chemie, 1920-1996. -- ISSN 0165-0513 |
| #1540 | Regulatory peptides. -- Amsterdam : Elsevier, 1980-. -- ISSN 0167-0115 print. -- ISSN 1873-1686 online |