http://www.sec.gov/Archives/edgar/data/40554/000004055414000070/cycle473psupp.htm
http://www.sec.gov/Archives/edgar/data/1607333/000119312514225199/d733587d424b3.htm
http://www.sec.gov/Archives/edgar/data/1609242/000119312514225302/d732241d424b5.htm
http://www.sec.gov/Archives/edgar/data/1000275/000121465914004159/j63140424b2.htm