TY JOUR TI Ecological Aspects of Implementing Prospective Propulsion Schemes of Short and Medium Haul Aircrafts KW civil aviation KW aircraft engine KW hybrid propulsion system KW fuel efficiency KW alternative fuel KW environmental requirements. JO Safety in Technosphere AU Samoylov, M.. AU Burtsev, S.. AU Simakov, M.. PY 2015 IS 4 PB INFRA-M Academic Publishing LLC.