1. Geol. Soc. Am. Spec. Pap. 36;Birch;Handbook of Physical Constants,1942
2. Tertiary history of Spitsbergen and continental drift;Birkenmajer;Acta Geol. Polon.,1972
3. Effects of observational errors on the resolution of surface waves at intermediate distances;Der;J. Geophys. Res.,1970
4. A technique for the analysis of transient seismic signals;Dziewonski;Bull. Seismol. Soc. Am.,1969
5. Review of Arctic crustal studies;Forsyth,1978