000			00328nam a2200145Ia 4500
008			170101s1955 xx 000 0 und d
082			_a681.118 H61H
100			_aHOOD, Peter
245		0	_aHow time is measured
260			_bLondon _c1955
300			_a64p
650			_aTIME CLOCKS
653			_aTIME CLOCKS
942			_2ddc _cB
999			_c5280 _d5280