00800nam a2200277Ia 4500 9692 BIBL 20160527205803.0 710614s1970 enka 00110 eng 70024655 B71-00111 0850381304 spa EVLG 541.372 W746p c1 QD561 .W63 541/.3728 541.372 W746p Wilson, A. 291399 Local pH meters [by] A. Wilson. London Kogan Page Ltd. New York Barnes and Noble 1970. 119 p. illus. 23 cm. £2.00 Laboratory instruments and techniques series Hydrogen-ion concentration Measurement. 113599 Local Chemical apparatus. 72256 Local 7894 7894 0 0 0 541_372000000000000_W746P 0 evl 380867 10 10 1 2016-05-27 14863 0 541.372 W746p 80000001239774 2016-05-27 00:00:00 r:9692 z:NCC:D 6