On 12/4/04 12:03 AM, in article ,
"vincent p. norris" wrote:

The title essay is illlustrated with several vector diagrams that are
quite instructive.

You see, there are *always* reasons to head back to the stacks!

Yeah, Bill, and there are also many interesting volumes on the
anthropology shelves about sexual practices around the world.

There ARE????

:-)

Bill