“Effect of Annealing on Superconducting Properties of Bi1.6Pb0.4Sr2Ca2Cu2.2Zn0.8O10 Thin Films by Pulsed Laser Deposition”. Iraqi Journal of Physics, vol. 9, no. 15, Oct. 2011, pp. 8-13, https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/795.