Fridkin, V. (1966). Photoelectrets and the electrophotographic process. Van Nostrand.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFridkin, V.M. Photoelectrets and the Electrophotographic Process. Princeton, New Jersey: Van Nostrand, 1966.
एमएलए (9वां संस्करण) प्रशस्ति पत्रFridkin, V.M. Photoelectrets and the Electrophotographic Process. Van Nostrand, 1966.
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