000 00263nam a2200109Ia 4500
008 220120s9999||||xx |||||||||||||| ||und||
100 _aIroder I.E
_911388
245 0 _aProblems in physics
260 _aCBS publishers
_c2000
300 _b0
650 _aMATHEMATICS
999 _c137117
_d137117