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Wecklich, Christopher; Martone, Michele; Rizzoli, Paola; Bueso-Bello, Jose-Luis; Gonzalez, Carolina; Krieger, Gerhard . (2017). [IEEE 2017 IEEE International Geoscience and Remote Sensing Symposium (IGARSS) - Fort Worth, TX (2017.7.23-2017.7.28)] 2017 IEEE International Geoscience and Remote Sensing Symposium (IGARSS) - Production of a global forest/non-forest map utilizing TanDEM-X interferometric SAR data. , (), 751–754. doi:10.1109/IGARSS.2017.8127061 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research