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by Trefil, James; Aldrin, Buzz
by Trefil, James; Hazen, Robert M.
by Trefil, James; Calvo, Rita Ann; Cutler, Kenneth, Ms.
by Trefil, James S.
by Trefil
by Trefil,James; Trefil,James
by James Trefil (George Mason Univ.); Robert M. Hazen (George Mason Univ.); Robert Ehrlich (George Mason Univ., Fairfax, Virginia); et al.
by Trefil, James; Hazen, Robert M.; Tammaro, Michael