Authors: G Günter; A A Anappara; J Hees; A Sell; G Biasiol; L Sorba; S De Liberato; C Ciuti; A Tredicucci; A Leitenstorfer; R Huber Journal: Nature Date: 2009-03-12 Impact factor: 49.962
Authors: Josef Kröll; Juraj Darmo; Sukhdeep S Dhillon; Xavier Marcadet; Michel Calligaro; Carlo Sirtori; Karl Unterrainer Journal: Nature Date: 2007-10-11 Impact factor: 49.962