Sand, R. J. (1974). Electronic level indicator for the remote verification of wind instrument position: [E-Book] by R J. Sand. Aiken, SC: E. I. Du Pont de Nemours & Company.
Chicago Style CitationSand, R. J. Electronic Level Indicator for the Remote Verification of Wind Instrument Position: [E-Book] By R J. Sand. Aiken, SC: E. I. Du Pont de Nemours & Company, 1974.
MLA CitationSand, R. J. Electronic Level Indicator for the Remote Verification of Wind Instrument Position: [E-Book] By R J. Sand. Aiken, SC: E. I. Du Pont de Nemours & Company, 1974.
Warning: These citations may not always be 100% accurate.