TY - `BOOK` A2 - Valníček, B. TI - Solar x-ray flux in the 4-8 keV band during the period July 1, 1983 - january 13, 1984 PB - Astronomical Institute of the Czechoslovak Academy of Sciences CY - Ondřejov PY - 1985 LA - cze SE - [ca. 150 S.] T2 - Publikacija Astronomičeskogo Instituta Čechoslovackoj Akademij Nauk M1 - 62 CN - LS/US 1040 V197-4 AN - UBHD-67199871 ER -