000			00304nam a2200109Ia 4500
008			190428s9999||||xx |||||||||||||| ||und||
020			_a0-19-855407-9
100			_aPuddephatt, R.J. _913577
245		4	_aThe periodic table of the elements
250			_b1972. x-83
260			_bOxford university. London, U.K.
999			_c13420 _d13420