Contact
Prof. N. Veeraiah,
Department of Physics,
Acharya Nagarjuna University,
Nagarjuna Nagar- 522 510,
Guntur Dist.,
Andhra Pradesh,
India.
e-mail: [email protected]
Department of Physics,
Acharya Nagarjuna University,
Nagarjuna Nagar- 522 510,
Guntur Dist.,
Andhra Pradesh,
India.
e-mail: [email protected]