@book{13201,
	author = {Langel, Ulo},
	title = {Handbook of cell-penetrating peptides /},
	publisher = {CRC/Taylor & Francis,},
	year = {2007},
	address = {Boca Raton :},
	edition = {2nd ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0713/2006018100-d.html}
}