Experimental generation of volcanic lightning Cimarelli, C. ; Alatorre-Ibarguengoitia, M. A. ; Kueppers, U. ; Scheu, B. ; Dingwell, D. B. Abstract Publication: Geology Pub Date: January 2014 DOI: 10.1130/G34802.1 Bibcode: 2014Geo....42...79C