Convention for the Protection of the Ozone Layer
Co-ordinating Committee on the Ozone Layer
London Conference on Saving the Ozone Layer
Montreal Protocol on Substances that Deplete the Ozone Layer
thickness of the ozone layer
Vienna Convention for the Protection of the Ozone Layer
World Plan of Action on the Ozone Layer
necrotic layer thinning
Necrotic layer thinning technique
technique of dry emery for thinning the rock sampl
expansion of the ozone hole
Invasion limited in the layer of muscularis mucosae
Properties of the layer
Saving the Ozone Conference
shedding of the the physical body
the layer of overall planning