▁Be havior ▁in ▁Chicago , ▁ 1 9 7 8 ▁( with ▁Sir ▁John ▁C . ▁E cc les ); ▁Sym pos ium ▁on ▁Inter dep end ence ▁of ▁Ne uro trans mit ter ▁Systems ▁in ▁the ▁C NS ▁at ▁the ▁Se vent h ▁International ▁Congress ▁of ▁Ph arm ac ology ▁( I UP H AR ). ▁Paris , ▁ 1 9 7 8 ▁( with ▁J . ▁G low in ski ); ▁Sym pos ium ▁on ▁Inter - rel ations hips ▁Between ▁Vari ous ▁Ne uro trans mit ter ▁Systems ▁at ▁the ▁T enth ▁Congress ▁of ▁the ▁Colleg ium ▁Intern . ▁Ne uro ps ych oph arm ac olog icum , ▁Quebec , ▁Canada , ▁ 1 9 7 8 ; ▁International ▁Sym pos ium ▁on ▁Ag gress ive ▁Be havior , ▁Florence , ▁ 1 9 6 9 ▁( with ▁S . ▁A . ▁Bar nett ▁and ▁S . ▁Gar att ini ); ▁Sym pos ium ▁on ▁Ch ol iner g ic ▁Trans mission , ▁Ann ual ▁F ASE B ▁Me eting , ▁Atlantic ▁City , ▁New ▁Jersey , ▁ 1 9 6 9 ; ▁and ▁Sym pos ium ▁on ▁New ▁Con cept ual ▁Appro aches ▁to ▁Pro phy la xis ▁and ▁Ther apy ▁of ▁Organ oph osph orus ▁Po ison ing , ▁Fort ▁St . ▁Luc ie , ▁Florida , ▁ 1 9 8 4 . ▁ ▁He ▁maintain s ▁a ▁particular ▁link ▁with ▁the ▁International ▁Sym pos ia ▁on ▁Ch ol iner g ic ▁Mechan isms ▁( 1 9