Early outcomes and complications following cardiac surgery in patients testing positive for coronavirus disease 2019: An international cohort study - The Journal of Thoracic and Cardiovascular Surgery
The Aviation Magazine – No. 68 – 2020-03&04 by The Aviation Magazine - Issuu
Airshowinfo - The Airshow Portal
Quantitative distribution of phytoliths as reliable diagnostical criteria of ancient arable lands - ScienceDirect