Helfrick, A. D., & Cooper, W. D. (1990). Modern electronic instrumentation and measurement techniques. Prentice Hall of India.
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芝加哥风格引文
Helfrick, Albert D., 与 William D. Cooper. Modern Electronic Instrumentation and Measurement Techniques. New Delhi: Prentice Hall of India, 1990.
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MLA引文
Helfrick, Albert D., 与 William D. Cooper. Modern Electronic Instrumentation and Measurement Techniques. Prentice Hall of India, 1990.
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