Media type: E-Article Title: Direct observations of solar-wind particles Contributor: Hundhausen, A.J. Published: Springer Science and Business Media LLC, 1968 Published in: Space Science Reviews, 8 (1968) 5-6 Language: English DOI: 10.1007/bf00175116 ISSN: 0038-6308; 1572-9672 Origination: Footnote: Access State: Open Access