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2. Interpretation of integrating sphere signal output for non-Lambertian samples;Roos;Appl. Optics,1988
3. Angle dependent optical properties of coated glass products: Towards more accurate estimation of the total solar energy transmittance;Hutchins,1999
4. Angular dependant optical properties of coated glass and glazing products: measurement procedures and validation of associated predictive methods (ADOPT), European Commission DGXII contract number SMT4-CT96_2138.