Ėkologii͡a i zdorovʹe deteĭ Permskogo regiona
By: N.V. Zaĭt͡seva, N.I. Averʹi͡anova, I.P. Kori͡ukina.
Publisher: IPK "Zvezda"
Published: 1997
Place of publication: Permʹ
Language: rus
Number of pages: 146