Access to ICCSA 2015 LNCS volumes
Here are the URLs form which the authors can access the ICCSA 2015 LNCS Proceedings:
https://link.springer.com/book/10.1007%2F978-3-319-21404-7
https://link.springer.com/book/10.1007%2F978-3-319-21407-8
https://link.springer.com/book/10.1007%2F978-3-319-21470-2