000 00300nam a22001217a 4500
020 _a0-14-02-2407
082 _a523.101 CAL'E
100 _aCALDER, N
_975216
245 _aEINSTEIN'S UNIVERSE A GUIDE TO THE THEORY OF RELATIVITY
260 _aENGLAND
_bPENGUIN
_c1979
300 _a253P
942 _cBK
999 _c580678
_d580678