10.1893/0005-3155(2005)076[0129:TBFDFP]2.0.CO;2
10.1893/0005-3155(2006)77[13:RAEONP]2.0.CO;2
10.1893/0005-3155%282005%290762.0.CO%3B2
10.1893/0005-3155%282006%29772.0.CO%3B2