n

k (440/670)

BrC, Chen and Bond (2010)

1.53

0.0525/0.005

BrC, Sun et al. (2007), WSBrC

1.53

0.0232/0.0032

BrC, Sun et al. (2007), WISBrC

1.53

0.1908/0.0131

BrC, Kirchstetter et al. (2004)

1.53

0.073/0.0034