Jha, Girish K., Chiranjit Mazumder, Jyoti Kumari, and Gajab Singh. 2017. “Nonlinear Principal Component Based Fuzzy Clustering: A Case Study of Lentil Genotypes”. The Indian Journal of Genetics and Plant Breeding 74 (2). https://epubs.icar.org.in/index.php/IJGPB/article/view/64373.