FOSFOR
htm
Schmundt, H. (2010). Experts Warn of Impending Phosphorus Crisis. Spiegel .
Zimth, B. (2. Juuni 2015. a.). Phosphorus: Prezi. Allikas:
https://prezi.com/1niyxgsaqt9n/phosphorus/
Zone/Chemestry. (2004). Chemestry/P. Allikas: Zone.ee:
http://web.zone.ee/chemistry/p.htm
Taskutark. (kuupäev puudub). Fosfor: Taskutark. Allikas: Taskutark:
http://www.taskutark.ee/m/fosfor/?auth=dGFza3V0YXJr
Toxnet. (1. detsember 2006. a.). Phosphorus, elemental: Toxnet. Allikas: Toxiology Data
Network: https://toxnet.nlm.nih.gov/cgi-
bin/sis/search/a?dbs+hsdb:@term+@DOCNO+1169
10
Wax, Emily. (2. veebruar 2015. a.). Phosphorus in diet: MedlinePlus. Allikas: MedlinePlus:
https://www.nlm.nih.gov/medlineplus/ency/article/002424.htm
Wikipedia. (11. märts 2013. a.). Apatiit: Wikipedia. Allikas: Wikipedia:
https://et.wikipedia.org/wiki/Apatiit
Wikipedia. (Mai 2016. a.). White phosphourus under water. Allikas:
https://et.wikipedia
annaabi.ee 
