@inproceedings{inproceedings, title = {{Estimating the low-mass IMF in OB associations: sigma orionis}}, url = {{}}, year = {{2005}}, month = {{1}}, author = {{Burningham B and Naylor T and Littlefair SP and Jeffries RD}}, volume = {{327}}, journal = {{Initial Mass Function 50 years Later}}, pages = {{141-142}}, note = {{Accessed on 2024/10/23}}}