Tim...Thanks, I'll take a look...Paul Burton -- ----- Original Message ----- From: Timothy J Henstock <[log in to unmask]> To: <[log in to unmask]> Sent: Thursday, August 02, 2001 1:59 PM Subject: Re: Beach balls > Have you tried the Gubbins text book? There is > one in that which I think is approved for classroom > use, and includes all the stuff which is needed. > > ****************************************************** > Tim Henstock, Lecturer in Geophysics > School of Ocean and Earth Science > University of Southampton > > [log in to unmask] > +44 (0)23 8059 6491 > ****************************************************** >