000			00255nam a2200109 4500
999			_c336300 _d336300
082			_a562 _bCLA.I
100			_aClarkson,E.N.K.,
245			_aInvertebrate palaeontology _cClarkson,E.N.K.,
250			_aSecond
260			_aLondon _c1986 _bELBS
942			_cBK