Планетарное возмущение 16-18 декабря 1971 года / Акад. наук СССР, Кол. фил. им. С. М. Кирова, Поляр. геофиз. ин-т. – Апатиты : [б. и.], 1977. – 125 с.

In the conclusion part of the collection on the base of the articles represented and. the observational data published elsewhere the attempt is made to give the preliminary analysis of peculiarities of this double atorm. the great attention is paid to the different development of this storms. S.I.Isaev editor-in-chief.