1. Zur genetischen Deuten der Eklogite;Backlund;Geol. Rundschau,1936
2. Über Eklogite, Glaukophanschiefer und metamorphe Pillolaven;Bearth;Schweiz. Mineral. Petrog. Mitt.,1959
3. Elasticity and constitution of the earth's interior;Birch;J. Geophys. Res.,1952
4. Physics of the crust;Birch;Geol. Soc. Am., Spec. Papers, 62,1955
5. Interpretation of the seismic structure of the crust in the light of experimental studies of wave velocities in rocks;Birch,1958