00377nam a2200145Ia 4500003000900000008004100009040001600050080001300066100001900079245004000098260003000138300001000168650004100178650001200219IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a550bSIT  aSitter, L U De 0aStructural geologycL. U. de Sitter  aLondonbMcGraw-Hillc1956  a552p.  aAstronomy and Astrophysics Thesaurus  aGeology