PHOSPHATIDYLCHOLINE-FATTY ACID MEMBRANES .1. EFFECTS OF PROTONATION, SALT CONCENTRATION, TEMPERATURE AND CHAIN-LENGTH ON THE COLLOIDAL AND PHASE PROPERTIES OF MIXED VESICLES, BILAYERS AND NONLAMELLAR STRUCTURES - CEVC,G; SEDDON,JM; HARTUNG,R; EGGERT,W (BIOCHIMICA ET BIOPHYSICA ACTA, 1988)