@book{20889,
	author = {Navia, C. E.||Augusto, Carlos||de Oliveira, Marcel N.},
	title = {Chapter The Highest Geomagnetic Storms of the Solar Cycle Observed at Ground Level},
	url = {https://library.oapen.org/bitstream/20.500.12657/49275/1/60305.pdf||https://library.oapen.org/bitstream/20.500.12657/49275/1/60305.pdf}
}