GUPTA , J. B. (1994). A Course in electrical measurements and measuring instruments. DHANPAT RAI AND SONS.
Chicago-viite (17. p.)GUPTA , J. B. A Course in Electrical Measurements and Measuring Instruments. New Delhi: DHANPAT RAI AND SONS, 1994.
MLA-viite (9. p.)GUPTA , J. B. A Course in Electrical Measurements and Measuring Instruments. DHANPAT RAI AND SONS, 1994.
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