Keywords: Alexander Michailowitsch Butlerow.JPG ÐÑÑоÑник ru ÐСРru ÐаÑÐµÐ³Ð¾Ñ Ð¸Ñ ÐÐ·Ð¾Ð±Ñ Ð°Ð¶ÐµÐ½Ð¸Ñ Ð¥Ð¸Ð¼Ð¸ÐºÐ¸ PD-old Original upload log page ru wikipedia Butlerov01 JPG 2005-03-06 13 09 Octavium 153×200× 6734 bytes <nowiki>butlerov01</nowiki> Black and white photographic portraits of male scientists Aleksandr Michajlovič Butlerov |