eng Oriental Scientific Publishing Company Material Science Research India 0973-3469 2020-04-30 17 1 05 07 15952 article De, Udayan 1 Physics Department, Egra SSB College, Purba Medinipur, W Bengal, India 721429; Retd. from DAE, Govt. of India. https://www.materialsciencejournal.org/vol17no1/superconductivity-surprises-and-stories/