Direct recording and reproducing materials for disk recording / by A. C. Keller

• Superior document: Bell telephone system B-998
• VerfasserIn: Keller, A. C.
• Place / Publishing House: New York, NY : Bell Telephone Laboratories, 1937
• שנת הוצאה לאור: 1937
• שפה: English
• סדרה: Bell telephone system B-998
• תיאור פיזי: 16 S.; graph. Darst.; 23 cm
• ac_no: AC11429820
• Hierarchical level: Monograph
• Statement of Responsibility: by A. C. Keller