00419nam a2200157Ia 4500003000900000008004100009040001600050080001500066100001800081245004600099260003100145300001500176650004100191650001000232650001900242IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a550.3bHUR  aHurley, P. M. 0aAdvances in earth sciencecHurley P. M.    aCambridgebMIT Pressc1966  axiv, 502p.  aAstronomy and Astrophysics Thesaurus  aEarth  aEarth Sciences