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by Langbein, John H.; Lerner, Renee Lettow; Smith, Bruce P.
by Langbein, John H.; Pratt, David A.; Stabile, Susan J.; et al.
by Langbein, Julia
by Langbein, Annabel
by Langbein, John; Waggoner, Lawrence
by Langbein, John H.; Waggoner, Lawrence W.
by Langbein, John H.
by Langbein; Julia