Fundamentals of Biological Wastewater Treatment, editors U. Wiesmann, I. S. Choi, E.-M. Dombrowski reviewed by P. M. Kunz

Biorefineries - Industrial Processes and Products: Status Quo and Future Directions, editors B. Kamm, P. R. Gruber, M. Kamm reviewed

Energizing Our Future: Rational Choices for the 21st Century by J. Wilson and G. Burgh reviewed by M. Scheffer, Zug, Switzerland

Handbook of Fuels: Energy Sources for Transportation, editor B. Elvers, reviewed by Alexander Vogel, E.ON Ruhrgas AG, Germany

Introduction to Hydrogen Technology by R. J. Press et al. reviewed by Klaus-Michael Mangold, DECHEMA e. V., Germany

Combine liquid crystals (mesogens) and metal clusters and you get clustomesogens: a new class of compounds, the first examples of which have now been produced.