000 00312nam a2200109Ia 4500
008 211215s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aPerelman, V
245 0 _aPhysics for entertainment Book 1
260 _bForeign Languages publishing house
_aMoscow
942 _c1
999 _c78518
_d78518