?url_ver=Z39.88-2004&rft_id=10.1088%2F1757-899X%2F863%2F1%2F012010&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aulast=Akhter&rft.au=Akhter%2C+J.&rft.aufirst=J.&rft.issn=17578981&rft.title=Investigation+of+gap+losses+in+a+modified+compound+parabolic+concentrating+collector+with+evacuated+tube+receiver&rft.date=2020&rft.genre=proceeding