P. Lal

发表

P. A. Alvi, Shalendra Kumar, Garima Bhardwaj, 2018, Opto-Electronics Review.

Sunil K. Srivastava, R. Dwivedi, R. Dwivedi, 1994 .

Krishna Chandra Tripathi, Pyare Lal, Pranab Rudra Sarma, 1980, IEEE Transactions on Industrial Electronics and Control Instrumentation.