We have performed magneto-transport experiments in bilayer and trilayer graphene, at temperatures between 2 and 190 K and magnetic fields up to 22 T. Here we study the observation of the quantum Hall effect in bilayer and trilayer graphene. We have observed the quantum Hall plateaus at v = 4, 8, 12, 16, 20 in bilayer graphene and the quantum Hall plateaus v = +/- 6 and studied their temperature dependence. We have also studied the symmetry properties which are related with different contact configurations and describe the method used to study inhomogeneous samples
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