000 00374nam a2200133 a 4500
008 170703s1961#### ||||f#|||||00| 0#uuu#d
003 AR-SmCIES
091 _a19600
100 1 _aMattock, G.
245 1 0 _apH measurement and titration.
260 _a[s.l.] :
_b[s.n.],
_c1961.
999 _c23403
_d23403