Second-order optical susceptibility in doped III-V piezoelectric semiconductors in the presence of a magnetostatic fieldB. Lal, P. Aghamkar, S. Kumar and M. K. KashyapEur. Phys. J. D, 61 3 (2011) 717-724DOI: https://doi.org/10.1140/epjd/e2010-10455-9