000			00332nam a2200157Ia 4500
020			_aNULL
082			_a519.93
100			_aWetherill, Barrie G.
245		0	_aSampling Instructions And Quality Control
250			_a-
260			_aLondon _bMethuen & Co. Ltd.
300			_a126
500			_a48
650			_aNA
942			_cBK
999			_c25909 _d25909