00323nam a2200121Ia 4500008004100000041000800041084001300049100000900062245005900071260003200130653001800162700002100180160808s2011    xx            000 0 eng d  aeng  aB9:62CC  aLucy  aGeorge and the big bang /cby Lucy and Stephen Hawking  aLondon :bDoubleday,c2011.  aAstro Physics  aHawking, Stephen