Items where Author is "Gibbons, J. J."Group by: Item Type | No Grouping Jump to: Article Number of items: 1. ArticleGibbons, J. J. ; Ramachandra Rao, B. (1957) Calculation of group indices and group heights at low frequencies Journal of Atmospheric and Terrestrial Physics, 11 (3-4). pp. 151-162. ISSN 0021-9169 |

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