000			00308nam a2200133Ia 4500
008			210210b1970 xxu||||| |||| 00| 0 eng d
082			_a530 ALOP
100			_aALONSO (Marcelo).
245			_aPhysics.
260			_aLondon _bAddison-Wesley _c1970
300			_aviii,760
690			_aPhysics
906			_a039612
999			_c89729 _d89729