@article{gledocs_11858_6717, author = {Schlegel, K. and Lühr, H.}, title = {Willy Stoffregen – An early pioneer of advanced ionospheric and auroral research}, year = {2014}, volume = {5}, number = {2}, pages = {149-154}, abstract = {We sketch the eventful life of Willy Stoffregen and summarise his engineering and scientific achievements.}, note = { \url {http://resolver.sub.uni-goettingen.de/purl?gldocs-11858/6717}}, }