Referencias Bibliograficas
1http://www.lcicorp.com/index.html?bottom=/solids/used.html
2http://www.amandus-kahl-group.de/
3Swarbrick, James. 1997. Encyclopedia of pharmaceutical Technology.
Marcel dekker INC. New York. Tomo VII. pp. 151
4http://www.normas.com/SPE/Pages/0009.html
5Swarbrick, James. 1997. Encyclopedia of pharmaceutical Technology.
Marcel dekker INC. New York. Tomo V. pp. 395
6http://cwisdb.cc.kuleuven.ac.be/research/P/team/team411010.htm