Authors
K. Anand
Department of Instrumentation and USIC, Sri Krishnadevaraya University, Anantapur, India
B. Ramamurthy
Department of Instrumentation and USIC, Sri Krishnadevaraya University, Anantapur, India
V. Veeraiah
Department of Physics, Andhra University, Visakhapatnam, India
K. Vijaya Babu
Advanced Analytical Laboratory, Andhra University, Visakhapatnam, India