1. The Eltro Information Rate Changer Mark II: simple quality speech compression;Allen,1967
2. Compressed speech in medical education;Boyle,1971
3. The A.F.B. harmonic compressor;Breuel,1971
4. The relationship of listening skills to the utilization of compressed speech;Callaway,1971
5. Signal analysis of speech time-compression techniques;Campanella,1967