@INPROCEEDINGS{23546693, author = {Pineda, N. and Montanya, J. and Romero, D. and Bech, J. and Gonzalez, S.} , year = {2018} , month = {Sep} , pages = {1--6} , publisher = {Institute of Electrical and Electronics Engineers (IEEE)} , doi = {10.1109/ICLP.2018.8503271} , url = {http://hdl.handle.net/2117/126600} , booktitle = {International Conference on Lightning Protection} , title = {Meteorological aspects of winter upward lightning from an instrumented tower in the Pyrenees} }