wrote:

If you are inclined to take a look at the real thing, not the Reader's
Digest version, you can download almost anything you want for free
from this site at NASA.

http://euler9.tripod.com/analysis/asm.html

There are also links to much more.

Regards,
Bud

By the way, that is not in fact a NASA site, but a private site. The
NASA material can also be found on the NASA site though the last time I
looked. It is disheartening, but a lot of the NASA material (actually
NACA) has been made inaccessible in the last couple of years.

Charles