Citation

Jaeck, C.; Meyer, C.; Pieplu, J.L.; Vercheval, J. (1970). Variations des densités atmosphériques entre 140 et 200 km. (Donahue, T.M., Ed.), COSPAR, Space Research X, Proceedings of the open meetings of working groups of the twelfth plenary meeting of COSPAR, 1969 and of The Symposium on Thermospheric Properties Concerning Temperatures and Dynamics with Special Application to H and He, 1969, Vol. X, 478-484,