Copyright (c) 1997
  The Trustees of Columbia University in the City of New York.
  All rights reserved.

  Permission is granted to you to use, copy, create derivative works,
  and redistribute this software and such derivative works for any
  purpose, so long as the name of Columbia University is not used in any
  advertising, publicity, or for any other purpose pertaining to the use
  or distribution of this software, other than for including the
  copyright notice set forth herein, without specific, written prior
  authorization.  Columbia University reserves the rights to use, copy,
  and distribute any such derivative works for any purposes.  The above
  copyright notice must be included in any copy of any portion of this
  software and the disclaimer below must also be included.

    THIS SOFTWARE IS PROVIDED AS IS, WITHOUT REPRESENTATION FROM THE
    TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK AS TO ITS
    FITNESS FOR ANY PURPOSE, AND WITHOUT WARRANTY BY THE TRUSTEES OF
    COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK OF ANY KIND, EITHER
    EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED
    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
    THE TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK SHALL
    NOT BE LIABLE FOR ANY DAMAGES, INCLUDING SPECIAL, INDIRECT,
    INCIDENTAL, OR CONSEQUENTIAL DAMAGES, WITH RESPECT TO ANY CLAIM
    ARISING OUT OR IN CONNECTION WITH THE USE OF THE SOFTWARE, EVEN IF
    IT HAS BEEN OR IS HEREAFTER ADVISED OF THE POSSIBILITY OF SUCH
    DAMAGES.  YOU SHALL INDEMNIFY AND HOLD HARMLESS THE TRUSTEES OF
    COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK, ITS EMPLOYEES AND
    AGENTS FROM AND AGAINST ANY AND ALL CLAIMS, DEMANDS, LOSS, DAMAGE OR
    EXPENSE (INCLUDING ATTORNEYS' FEES) ARISING OUT OF YOUR USE OF THIS
    SOFTWARE. 

  The Trustees of Columbia University in the City of New York reserves
  the right to revoke this permission if any of the terms of use set
  forth above are breached.

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last modified on 12/09/99