TY - JOUR AU - Svatoš, Jan TI - Solid particles in reflection nebulae II. Dielectric model of the nebula NGC 7023 JO - Acta Universitatis Carolinae. Mathematica et Physica PY - 1965 SP - 41 EP - [47] VL - 6 IS - 1 UR - http://geodesic.mathdoc.fr/item/AUCMP_1965_6_1_a2/ LA - en ID - AUCMP_1965_6_1_a2 ER -