More than you wanted to know about sound fields.
Jerger
James
J
D000161:Acoustic Stimulation; D000162:Acoustics; D006310:Hearing Aids / Q000592:standards; D034381:Hearing Loss / Q000175:diagnosis / Q000534:rehabilitation; D006320:Hearing Tests / Q000379:methods* / Q000592:standards; D006801:Humans