Märke
- Plunkett Research, Ltd 48
- Plunkett Research 15
- Taylor & Francis Ltd 13
- Oxford University Press 9
- Taylor & Francis Inc 3
- Royal Society of Chemistry 2
- Bloomsbury Publishing PLC 1
- Chapman and Hall 1
- Kendall/Hunt Publishing Co ,U.S. 1
- Kluwer Academic Publishers Group 1
- Kluwer Law International 1
- SAGE Publications Inc 1
- Springer-Verlag Berlin and Heidelberg GmbH & Co. KG 1
- Springer-Verlag New York Inc. 1
- Wolters Kluwer Health 1