TY - RPRT TI - Polytropic relationship in interplanetary magnetic clouds AU - Osherovich, V. A. AU - Farrugia, C. J. AU - Burlaga, L. F. AU - Lepping, R. P. AU - Fainberg, J. AU - Stone, R. G. PY - 1993 UR - https://ntrs.nasa.gov/citations/19940033518 ID - 19940033518 ER -