TY - ECHAP AU - S. Saar AU - C. Schrijver CY - Berlin, Heidelberg DO - 10.1007/3-540-18653-0_102 M1 - Lecture Notes in Physics PB - Springer Berlin Heidelberg PP - Berlin, Heidelberg PY - 1987 SN - 978-3-540-18653-3 SP - 38 EP - 40 TI - Empirical relations between magnetic fluxes and atmospheric radiative losses for cool dwarf stars VL - 291 ER -