Life support system in the mature Martian colony for 1000 people Natalia Ćwilichowska, Joanna Kuźma, Anna Jurga, Paweł Piszko and Thien Nguyen E3S Web Conf., 100 (2019) 00013 Published online: 10 June 2019 DOI: 10.1051/e3sconf/201910000013