Media type: E-Article Title: Phase variations imposed by the ionosphere Contributor: Zheng Yijia Published: Elsevier BV, 1988 Published in: Vistas in Astronomy, 31 (1988), Seite 431-433 Language: English DOI: 10.1016/0083-6656(88)90241-3 ISSN: 0083-6656 Origination: Footnote: