TY - ECHAP AU - F. Walter AU - J. Neff AU - B. Bopp AU - R. Stencel CY - Berlin, Heidelberg DO - 10.1007/3-540-12907-3_217 M1 - Lecture Notes in Physics PB - Springer Berlin Heidelberg PP - Berlin, Heidelberg PY - 1984 SN - 978-3-540-12907-3 SP - 279 EP - 281 TI - Rotational modulation and high speed streams in FK Comae Berenices: Evidence for a massive, highly-evolved binary system VL - 193 ER -