Okhrana, preobrazovanie i ratsional'noe ispol'zovanie prirody - khrestomatiya
Subtitle: posobie dlya uchitelei
By: [sostav]: E.Ya. Chernikova, R.P. Myshinskaya [i] E.S. Kosheleva.
Publisher: Prosveshchenie
Published: 1978
Place of publication: Moskva
Language: rus