By Paul De Kruif And Translated By Jammi Koneti Rao
By Carl Sagan And Translated By V.Srinivasa Chakravarthy
By Sujatha Velpuri
By Thenneti Suri
By Bhimeswarao Vemavarapu
By K B Gopalam
By Tadanki Venkata Lakshmi Narasimha Rao
By Aavatapalli Narayana Rao
By Rasaraju
By Dr Chaganti Surya Narayana Murty
By Rachapalem Chandra Shakarareddy
By Simha Prasad
By Adapa Chiranjeevi
By Tadanki Venkata Lakshmi Narasimharao
By Karlapalem Hanumantarao
By Sri Ramana
By E V Ramireddy
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