7Singh R K, Mallick S K. Experiments on steel-concrete beams subjected to torsion and combined flexure and torsion [J]. India Concrete Journal, 1977, 51(1): 24-30.
8Ray M B, Mallick S K. Interaction of flexure and torsion in steel-concrete composite beams [J]. India Concrete Journal, 1980, 54(3): 85-94.