000			00304nam a2200133Ia 4500
005			20260205040610.0
008			260111s9999||||xx |||||||||||||| ||und||
082			_a544 R545M
100			_aROBERTSON A J B
245		0	_aMASS SPECTROMETRY
260			_aLOND. _bMETHUEN _c1954
300			_a135
942			_cBK
999			_c8785 _d8785