@article{munoz2002experimental, title={Experimental determination of the phase function and degree of linear polarization of El Chichon and Pinatubo volcanic ashes}, author={Munoz, O and Volten, H and De Haan, JF and Vassen, W and Hovenier, JW}, journal={Journal of Geophysical Research: Atmospheres}, volume={107}, number={D13}, pages={ACL--4}, year={2002}, publisher={Wiley Online Library} }