Search for high massγγ resonances in $$e^ + e^ - \to \ell ^ + \ell ^ - \gamma \gamma $$ , $$\nu \bar \nu \gamma \gamma $$ and $$q\bar q\gamma \gamma $$ at LEP Iat LEP I

Search for high massγγ resonances in $$e^ + e^ - \to \ell ^ + \ell ^ - \gamma \gamma $$ , $$\nu \bar \nu \gamma \gamma $$ and $$q\bar q\gamma \gamma $$ at LEP Iat LEP I