Journal article (2009) - K Kothapalli (author), F Nasreen (author), J Peterson (author), H Nakotte (author), S El-Khatib (author), SC Vogel (author), A Llobet (author), H Reiche (author), I Swainson (author), Ekkes Brück (author), E. Brück (author), E.H. Brück (author), EH Brück (author)