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Books about Grigorov:
Grigorov: Webster's Timeline History, 1905 - 2007 by Icon Group International (Mar 10, 2010)
The October Revolution and its Repercussions in Bulgaria / Boyan Grigorov by Boyan Grigorov (1977)
Advance of socialist culture / by Georgi M. Grigorov by Georgi M. Grigorov (1974)
The Communist-Led Struggle Against Bulgaria's Fascist Didctatorship 1923-1944 / by Boyan Grigorov by Boian Grigorov (1967)
Aktual'Nye Voprosy Bibliotechnoi Raboty. Teoriia I Praktika. Sbornik. 1991 Red. Grigorov V. by Edited By (1991)
Sochineniya (Collected Works), Apollon Grigor'Ov by V. (Ed. ) Krupitsch (1970)
Wiki information Grigorov:
Stamen Grigorov was a prominent Bulgarian physician and microbiologist, who was the creator of anti-tuberculosis vaccine. He discovered the Lactobacillus bulgaricus bacillus, which is the true cause for the existence of natural yogurt.