Formation and interaction of nano dust in planetary debris discs Mann, Ingrid ; Stamm, Johann ; Myrvang, Margareta ; Baumann, Carsten ; Eren, Saliha ; Czechowski, Andrzej ; Li, Aigen Abstract Publication: IAU General Assembly Pub Date: March 2020 DOI: 10.1017/S1743921319005039 Bibcode: 2020IAUGA..30..417M