Claude Louis Berthollet
Pyrrhotite Berthollide
Berthollet's Salt
Bertillion System
Alphonse Bertillon
Eugenio Bertini
Bertini's Theorem
Mario Bertolotti
Bertolotti Garcini Syndrome
Joseph Louis François Bertrand
Bertrand Diguet Theorem
Bertrandite
Émile Bertrand
Emile Bertrand Lenses
Bertrand's Ballot Theorem
Bertrand's Prime Postulate
Joseph Bertrand Medal
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