Under the "Authorisations of the Minister of National Defence" (latest - No. 57/MON dated 22 December 2014). a Permanent Expert Team operates at the Institute of Armament Technology of the Faculty of Mechatronics and Aerospace of the Military University of Technology (Warsaw. Poland). https://olivebookmarks.com/story19598852/the-development-of-knowledge-enrichment-books-concerning-ice-and-snow-physical-studies-for-high-school-students