* Copyright (c) 1991 Regents of the University of Michigan.

* All rights reserved.

*

* Redistribution and use in source and binary forms are permitted

* provided that this notice is preserved and that due credit is given

* to the University of Michigan at Ann Arbor. The name of the University

* may not be used to endorse or promote products derived from this

* software without specific prior written permission. This software

* is provided ``as is'' without express or implied warranty.

* Copyright (c) 1994 Enrique Silvestre Mora, Universitat Jaume I, Spain.

* All rights reserved.

*

* Redistribution and use in source and binary forms are permitted

* provided that this notice is preserved and that due credit is given

* to the Universitat Jaume I. The name of the University

* may not be used to endorse or promote products derived from this

* software without specific prior written permission. This software

* is provided ``as is'' without express or implied warranty.