@incollection{Panwar18, author = {Neeraj Panwar}, title = {Introductory Chapter}, booktitle = {Magnetism and Magnetic Materials}, publisher = {IntechOpen}, address = {Rijeka}, year = {2018}, editor = {Neeraj Panwar}, chapter = {1}, doi = {10.5772/intechopen.76447}, url = {https://doi.org/10.5772/intechopen.76447} }