000 00269nam a22001097a 4500
003 OSt
008 230904b |||||||| |||| 00| 0 eng d
100 _aGold, V.
245 _aPH Measurements their theory and practice
260 _aLondon
_bMethuen
_c1956
942 _2ddc
_cBK
999 _c31063
_d31063