it's cited in philip cotterel's thesis as the original source of the second-order gradient microphone. i can't believe it's not on the web, given its ripe old age. any pointers would be welcome. (and no, i didn't find it in the motherlode either.)
thanks in advance, jörn -- Jörn Nettingsmeier Lortzingstr. 11, 45128 Essen, Tel. +49 177 7937487 Meister für Veranstaltungstechnik (Bühne/Studio), Elektrofachkraft Audio and event engineer - Ambisonic surround recordings http://stackingdwarves.net _______________________________________________ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu/mailman/listinfo/sursound