Doklad o sostoi︠a︡nii okruzhai︠u︡shcheĭ prirodnoĭ sredy Respubliki Mariĭ Ėl v 1992 g.
Publisher: Tip. Pravitelʹstva Respubliki Mariĭ Ėl
Published: 1993
Place of publication: Ĭoshkar-Ola
Language: rus
Number of pages: 53
Subjects: Pollution