25.4. References http://www.ck12.org
m-acid-and-alcohol-2D-skeletal.png. Public Domain
- User:NEUROtiker/Wikimedia Commons. http://commons.wikimedia.org/wiki/File:Amidbildung.svg. Pub-
lic Domain - Ed (User:Edgar181/Wikimedia Commons). http://commons.wikimedia.org/wiki/File:Amide_hydrolysis.svg
. Public Domain - User:H Padleckas/Wikimedia Commons. http://commons.wikimedia.org/wiki/File:Polystyrene_formation.PNG
. Public Domain - User:Dubaj/Wikimedia Commons. http://commons.wikimedia.org/wiki/File:Polyetylen2.png. Public Do-
main - User:Calvero/Wikimedia Commons. http://commons.wikimedia.org/wiki/File:PTFE_structure.png. Public
Domain - Ben Mills (User:Benjah-bmm27) and User:Jynto/Wikimedia Commons. http://commons.wikimedia.org/wik
i/File:Kevlar-3D-balls.png. Public Domain - Joy Sheng. CK-12 Foundation. CC BY-NC 3.0
- Joy Sheng. CK-12 Foundation. CC BY-NC 3.0
- Joy Sheng. CK-12 Foundation. CC BY-NC 3.0