Part of the Wil Schumann paper is here:
http://www.betsybyars.com/guy/soaring_symposia/72-modif.html From: Aus-soaring [mailto:[email protected]] On Behalf Of Ron Sanders Sent: Sunday, 27 August 2017 6:22 PM To: Gliding Australia Forum <[email protected]>; Discussion of issues relating to Soaring in Australia. <[email protected]> Subject: [Aus-soaring] American Soaring Symposia Any body got any idea where is can get any of these publications from the seventies?? Wil Schumann did a clean up of a libelle that i would like to read about again. Ron
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