Sankt Augustin, Nov. 19, 1987




          The Conditions of External Use of GMD-Software
          ==============================================

The conditions concerning external use are as follows:

(i)   the subroutines may only be used for research purposes by the
      person or organisation to whom they are supplied. They may
      not be copied for use by other persons or organisations,
      except with the written permission of GMD,

(ii)  results obtained with the software and interpretations of the
      results may not be published without the written consent of the
      GMD,

(iii) due acknowledgement is made of the use of subroutines in any
      research publications resulting from their use,

(iv)  the subroutines may be modified for use in research applications
      by external users. The nature of such modifications should be
      indicated in writing for information to GMD. At no time
      however, shall the subroutines or modifications thereof
      become the property of the external user,

(v)   the use of the subroutines in commercial applications must be
      agreed in writing with GMD and on terms and conditions to be
      negotiated. In the first instance, anyone considering such
      commercial applications should write to the GMD.