1. The spectrum of comet Mrkos (1957d) Creator: Ceplecha, Zd. and Rajchl, J. Format: bez média and svazek Type: model:article and TEXT Subject: photometric tracing, microdensitometer, and comets Language: Czech Description: The study of one spectrum of comet Mrkos obtained on 1957 August 23 with an objective prism of dispersion 52 A/mm for λ 4000 A is given in this paper. and Článek doplňuje list se snímky komety (nestránkováno) Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public