TY  - BOOK
AU  - Ahrens, L. H., ed.Rankama, Kalervo, ed.Runcorn, S. K., ed.  
TI  - Physics and chemistry of the earth: v. 1
T2  - A Progress Series
PY  - 1956///
CY  - London
PB  - Pergamon Press
KW  - Earth
ER  -