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by Hoyland, Robert G.; Williamson, H. G. M.
by Raven, James
by Miller, Ron; Shindell, Matthew; Weitekamp, Margaret A.
by Seifert, Roger
by Alison, Hardie
by Winkler, Heinrich August; Sager, Alexander
by Millward, Gareth
by Allsuch Boardman, Adam
by Wang, Yonghong; Yang, Guimei
by Dietz, S. Theresa