Fig. 1
Cluster mass as a function of effective cluster radius for the data from a) Carpenter 2000 (diamonds); b) Lada & Lada (2003; circles); and c) Kumar et al. (2006; squares). The line shows the fit by Pfalzner (2011) for the Lada & Lada (2003) data. Clusters for which holds 
M⊙MC/N are indicated by full symbols, whereas open symbols indicate those that do not fulfil this criterion.
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