TY - BOOK AU - Jeffreys, Harold AU - TI - Earth: Its origin, history and physical constitution U1 - 55 PY - 1970/// CY - Cambridge PB - Cambridge University Press KW - Earth science KW - Geology KW - Geochemistry KW - Chemistry KW - Spectroscopy KW - Biochemistry KW - Spectrum analysis KW - Acids KW - Bases- chemistry KW - Physical science KW - Science ER -