This package is distributed under the ACM license at
http://www.acm.org/publications/policies/software-copyright-notice

In detail:

1. Fortran code (src/*.f except src/bilinear.f): 

Copyrighted and Licensed by ACM, 
see http://www.acm.org/publications/policies/software-copyright-notice


2. R interface (src/init.c src/akima.h R/*.R man/*.Rd data/* 
   except */bilinear.*)

The R interface code has been developed as work based on the 
ACM licensed code, hence it is also ACM licensed, copyright 
is by A. Gebhardt <albrecht.gebhardt@uni-klu.ac.at>. 

In order to fulfill the ACM copyright and license noted above, 
it is stated here that this work contains modified ACM material, 
and to fulfill this, the modified work including the R interface 
is available free to secondary users, and no charge is associated 
with such copies.

3. Bilinear interpolation (*/bilinear*): Copyright A. Gebhardt, 
   free to reuse whithout restrictions.