Christopher Bucklow ... [et al. Christopher Bucklow ... [et al.] Christopher Golden...[et al. by Christopher Lovelock ... [et al. Christopher Golden...[et al.] by Christopher Lovelock ... [et al.]. Christoph Engel...[et al. Christopher J. Humphries ...[et al. Christopher J. Humphries ...[et al.] Christopher Alexander...[et al.].