1. American Marketing Association Dictionary;
http://www.marketingpower.com/_layouts/Dictionary.aspx?dLetter=M
2. Bourne, P. E. & Barbour, V. PLoS Comput. Biol. 7, e1002108 (2011).
3. E-mail Etiquette Rules for Effective E-mail Replies;
http://www.emailreplies.com
4. 3. Collaborative yet Independent: Information Practices in the Physical Sciences (Institute of Physics, 2011)
5. 4. http://www.iop.org/publications/iop/2012/page_53560.html