{"name":"Ognyan Petrov","orcid":"0000-0002-5541-541X","affiliation":"Sofia University \"St. Kliment Ohridski\"","id":689533,"datarank":0.0,"percentile_rank":0.0,"paper_count":0,"h_index":null,"cited_by_count":null,"works_count":null,"i10_index":null,"openalex_id":null,"last_known_institutions":[],"top_fields":[]}