1. Concentration Effects in HPLC-SEC Analysis of Petroleum Asphaltenes
2. Andersen, S. I., Kleinitz, W. and Birdi, K. S. Proceedings Inter'l Symp. Chem. June, Bitumen, Rome. pp.236
3. Andersen, S. I. and Potsch, K. Conference Preprints International Conference on Petroleum Phase Behavior and Fouling. March 14–18. AIChE (ISBN 0-8162-9862-0)