Atlas of airborne pollen grains and spores in Northern Europe - Nilsson, Siwert, 1933-; Praglowski, Joseph; Nilsson, Lennart (Stockholm : Natur Och Kultur, 1977)
Keywords: Pollen -- Atlases; Spores (Botany) -- Atlases; Pollen -- Europe, Northern -- Atlases; Spores (Botany) -- Europe, Northern -- Atlases; Air -- Microbiology