00442nam a2200157Ia 4500008004100000020001800041035001000059082002100069100006700090245004700157250000600204260004200210300000800252500001000260650001400270210723s9999||||xx |||||||||||||| ||und||  a£691,177,813  a49906  a523.1BWEL / TYS  aTyson, Nell Degrasse / Strauss, Michaael A. / Gott, J. Richard 0aWelcome To The Universe : The Problem Book  a-  aPrincetonbPrinceton University Press  a235  a13888  aCosmology