Elastic theory for the melting transition of vortex lattice in magnetic field perpendicular to the anisotropic axisQ.-M. Nie, M.-B. Luo, Q.-H. Chen and X. HuEurophys. Lett., 71 3 (2005) 445-451DOI: https://doi.org/10.1209/epl/i2005-10105-4