http://sbeccompany.fr/wikisbec/index.php5?title=Echelle_d%27acidit%C3%A9_des_principaux_couples_acide-base&redirect=no
http://www.al.lu/chemistry/stuff1/EX1/notions/tab_pka.htm (??)
http://www.atomer.fr/1/1_pKa-acides-bases.html
http://www.univ-lemans.fr/enseignements/chimie/01/deug/CHIM105B/pdf/sem2pka.pdf
https://docs.google.com/viewer?a=v&q=cache:kL75-eucSToJ:www.med.univ-rennes1.fr/resped/s/chimie/edchimieP12005.doc+&hl=fr&pid=bl&srcid=ADGEESiCbkWBJCVGQu3oV4wvyc_JqToLL3osAMsmw7vqFTw2gZY_xYsT2pKPKlHmOw634ldX-hprzdeSJ8Bq55kfRXDT5XK6lFzlhZngrFSfmDLm0VMnabrzHKkcxU17LjCy6o8bO1eS&sig=AHIEtbRs94EtCDCXsdz5WDJZVUNA09xkYA