| Publication Type: | Miscellaneous |
| Year of Publication: | 1988 |
| Notes: | *IVANENKO, V.V. and KARPENKO, M.I. 1988. 39Ar-40Ar data on excess argon-40 in nepheline from the Kovdor massif, Kola Peninsula. Geochemistry International,25(1): 77-82. |
| Publication Type: | Miscellaneous |
| Year of Publication: | 1988 |
| Notes: | *IVANENKO, V.V. and KARPENKO, M.I. 1988. 39Ar-40Ar data on excess argon-40 in nepheline from the Kovdor massif, Kola Peninsula. Geochemistry International,25(1): 77-82. |