A summary of the attached paper is published in the June edition of AIRSHIP, No. 184. As the paper is approximately 100 pages long, we have elected to provide a complete copy for download from here, with a shortened summary reproduced in the journal.
Therefore, this paper is designed to be accessible to members in receipt of the June edition of AIRSHIP only. Anyone may download it, but you will require a password to access the file. The password can be found on page 23 of AIRSHIP No. 184.