GCOS reference upper air network (GRUAN) : steps towards assuring future climate recordsThorne, Peter W.; Vömel, Holger; Bodeker, Gregory E.; Sommer, Michael; Apituley, Arnoud; Berger, Franz H.; Bojinski, Stephan; Braathen, Geir O.; Calpini, Bertrand; Demoz, Belay B.; Diamond, Howard J.; Dykema, John A.; Rannat, KalevTemperature - its measurement and control in science and industry, volume 8 : proceedings of the Ninth International Temperature Symposium; Los Angeles, California, USA, 19 - 23 March 20122013 / p. 1042-1047 https://doi.org/10.1063/1.4821421 Conference Proceedings at Scopus Article at Scopus Article at WOS