1. Montreal Protocol on Substances that Deplete the Ozone Layer,1987
2. Statement at the opening of the first working session;Berntsson,1987
3. Fluorocarbon/Ozone, The Montreal Protocol: A Model of International Co-operation,1988
4. Quest for alternatives;McLinden;ASHRAE J,1987
5. The vertical distribution of CHClF2 (R22) in the stratosphere;Fabian;Geophys Res Lett,1985