000 00293nam a2200109Ia 4500
008 220204s9999 xx 000 0 und d
082 _a524.1
_bBER
100 _aBerry, Michael V
245 0 _aPrinciples of cosmology and gravitation
260 _aCambridge
_bUniversity Press
_c1976
942 _cBK
999 _c25737
_d25737