Gupta, D. K., & Rai, J. (1966). Prakash ki (Hindi) Optics. Govt. of India.
Dyfyniad Arddull ChicagoGupta, Dhanvanth Kishore, and Jainarayan Rai. Prakash Ki (Hindi) Optics. Govt. of India, 1966.
Dyfyniad MLAGupta, Dhanvanth Kishore, and Jainarayan Rai. Prakash Ki (Hindi) Optics. Govt. of India, 1966.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.