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'(2)': [124, 181], 'In': [125], 'every': [126], 'cluster': [127, 212], 'fraction': [129, 145], 'elliptical': [131, 185], 'as': [134], 'large': [135, 208], 'or': [136, 200], 'larger': [137], 'than': [138], 'S0': [144], '2-3': [147], 'times': [148], 'smaller,': [149], 'proportional': [152], 'increase': [153], 'spiral': [156], 'fraction.': [157], 'Straightforward,': [158], 'though': [159], 'probably': [160], 'not': [161], 'unique,': [162], 'interpretations': [163], 'observations': [166], 'segregation': [170], 'proceeds': [171], 'hierarchically,': [172], 'affecting': [173], 'richer,': [174], 'denser': [175], 'groups': [176], 'earlier,': [179, 202], 'formation': [183, 189], 'predates': [187], 'rich': [191], 'occurs': [194], 'instead': [195], 'loose-group': [198], 'phase': [199], 'even': [201], "S0's": [204], 'generated': [206], 'numbers': [209], 'only': [210], 'after': [211], 'virialization.': [213]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2048758550', 'counts_by_year': [{'year': 2024, 'cited_by_count': 12}, {'year': 2023, 'cited_by_count': 14}, {'year': 2022, 'cited_by_count': 29}, {'year': 2021, 'cited_by_count': 22}, {'year': 2020, 'cited_by_count': 29}, {'year': 2019, 'cited_by_count': 25}, {'year': 2018, 'cited_by_count': 38}, {'year': 2017, 'cited_by_count': 23}, {'year': 2016, 'cited_by_count': 22}, {'year': 2015, 'cited_by_count': 30}, {'year': 2014, 'cited_by_count': 24}, {'year': 2013, 'cited_by_count': 27}, {'year': 2012, 'cited_by_count': 33}], 'updated_date': '2024-09-16T23:01:47.104524', 'created_date': '2016-06-24'}