http://authors.library.caltech.edu/38677/1/b817735j.pdf
http://www.researchgate.net/publication/239217610_Potential_applications_of_metal-organic_frameworks/file/e0b49524c7571a5876.pdf
http://chemgroups.northwestern.edu/hupp/Publications/298.pdf
http://www.physics.mcgill.ca/~peter/534A/rieder.pdf
http://www.compoundchem.com/wp-content/uploads/2014/01/Organic-Functional-Groups-Update.png
http://edoc.hu-berlin.de/oa/articles/reADzSD6V2Kk/PDF/23y5sJSih53qM.pdf
http://www.nature.com/ncomms/2015/150526/ncomms8237/full/ncomms8237.html
http://rsta.royalsocietypublishing.org/content/roypta/365/1855/1607.full.pdf