http://www.sec.gov/Archives/edgar/data/200245/000095010320023705/dp142404_424b2-us2022352.htm
http://www.sec.gov/Archives/edgar/data/200245/000095010320023752/dp142375_424b2-us2022003.htm
http://www.sec.gov/Archives/edgar/data/1655888/000110465920131719/tm2036527-7_424b2.htm
http://www.sec.gov/Archives/edgar/data/1126975/000119312520309611/d863136d424b5.htm