Oni dolzhny zhitʹ
Subtitle: amfibii, reptilii, ryby
By: avtor teksta M.V. Cherkasova ; illi͡u︡strat͡s︡ii khudozhnikov V.A. Gorbatova i N.N. Kondakova.
Publisher: VO "Agropromizdat"
Published: 1987
Place of publication: Moskva
Language: rus
Number of pages: 62