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by Ruppert
by Frick-Ruppert, Jennifer
by Ruppert, Florent; Mulot, Jérôme; Valente, M B.
by Ruppert, James
by Ruppert, Michael C.
by Volitich, Dan; Ruppert, Gerard
by Deal, William E.; Ruppert, Brian
by Hollweg, Claire H.; Lederman, Daniel; Rojas, Diego; et al.