000			00340nam a2200121Ia 4500
008			220122s9999||||xx |||||||||||||| ||und||
082			_a344.046 AST'78
100			_aAstanin, L P
245		0	_aConservation of nature _ctranslated from Russian by Sergei Sasinaki
260			_aMoscow _bProgress publishers _c1983
300			_a149p.
942			_cBK
999			_c3512 _d3512