Bibliagraph

~Bibliagraph~

 

http://www.ptable.com/

http://periodic.lanl.gov/elements/15.html

http://www.chemicalelements.com/elements/p.html

http://webmineral.com/chem/Chem-P.shtml

http://holyjoe.org/poetry/friedman.htm

http://answers.yahoo.com/question/index?qid=20061101161102AAL45oA

http://www.cartoonstock.com/directory/p/phosphorus.asp