00586naa#a2200193#i#450# EN\\bibl\77856 20260220175324.5 1819-4036 20131025b2013####ek#y0engy0150####ca RUS RU STEROL CONTENT IN THE TISSUES OF BIRCH (BETULA PENDULA) AND POPLAR (PUPOLUS TREMULA) Journal article Krasnoyarsk Krasnoyarsk State Agrarian University 2013 5 с. Journal article local . 634.0.813 RUS Devyatlovskaya A N Zhuravlyeva L N vestnik.kgau.ru