A Comprehensive Description of Multi-Term LSM for Applying Multiple a Priori Constraints in Problems of Atmospheric Remote Sensing: GRASP Algorithm, Concept, and Applications oleh Oleg Dubovik, David Fuertes, Pavel Litvinov, Anton Lopatin, Tatyana Lapyonok, Ivan Doubovik, Ivan Doubovik, Feng Xu, Fabrice Ducos, Cheng Chen, Benjamin Torres, Yevgeny Derimian, Lei Li, Marcos Herreras-Giralda, Milagros Herrera, Yana Karol, Christian Matar, Gregory L. Schuster, Reed Espinosa, Anin Puthukkudy, Zhengqiang Li, Juergen Fischer, Rene Preusker, Juan Cuesta, Axel Kreuter, Alexander Cede, Alexander Cede, Michael Aspetsberger, Daniel Marth, Lukas Bindreiter, Andreas Hangler, Verena Lanzinger, Christoph Holter, Christian Federspiel