TY - JOUR AU - Fernández-Rañada, Antonio PY - 1996 DO - 10.1038/383032a0 SN - 0028-0836 UR - https://hdl.handle.net/20.500.14352/58983 T2 - Nature (London) LA - eng M2 - 32 PB - Macmillan TI - Ball lightning an electromagnetic knot? TY - journal article VL - 383 ER -