This publication is licensed under a Creative Commons Attribution-ShareAlike (CC BY-SA) licence.
You may:
(a) Share - copy and distribute the material in any medium or format;
(b) Adapt - remix, transform, and build upon the material for any purpose, even commercially.

The licensor cannot revoke these freedoms as long as you follow the licence terms. The licensor cannot revoke these freedoms as long as you follow the licence terms. Subject to the following conditions:
Attribution
You must give appropriate credit, provide a link to the licence, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
ShareAlike
If you adapt, modify, or build upon the material, you must distribute your contributions under the same licence as the original.
No additional restrictions
You may not apply legal terms or technological measures that legally restrict others from doing anything the licence permits.