000 00303nam a2200121Ia 4500
008 220201s1974 xx 000 0 eng d
082 _bDAV
100 _aDavies, Joan R. Others
245 0 _aLaboratory methods 1
260 _aLondon
_bHer Majesty Stationary Office
_c1974
300 _a35
942 _2ddc
999 _c19600
_d19600