(1975). How to measure pH with chemical indicators and a simple pH meter [slaid]. Fairfield, Conn. : Communication Skills Corp..
Chicago-čujuhus (17. p.)How to Measure PH with Chemical Indicators and a Simple PH Meter [slaid]. Fairfield, Conn. : Communication Skills Corp., 1975.
MLA-čujuhus (9. p.)How to Measure PH with Chemical Indicators and a Simple PH Meter [slaid]. Fairfield, Conn. : Communication Skills Corp., 1975.
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