A. Lerf, T. Butz: NUCLEAR-QUADRUPOLE INTERACTION AND TIME-RESOLVED PERTURBED GAMMA-GAMMA-ANGULAR CORRELATION SPECTROSCOPY - APPLICATIONS IN CHEMISTRY, MATERIALS SCIENCE, AND BIOPHYSICAL CHEMISTRY. 1987Angewandte Chemie-International Edition in English: 26. ISBN 0570-0833 http://dx.doi.org/10.1002/anie.198701101