000 00286nam a22001337a 4500
999 _c1212
_d1212
020 _a9780393912104
082 _a532.72 PAL
100 _aPalen
245 _aUnderstanding our universe
260 _alondon
_bW.W Norton
_c2012
300 _a485
650 _aModern physics
942 _cBK