By S.A.Rashid

Published by Friends Publishing House, 1961

By Mayerhof, Walter E

Published by John willey, 1967

By W.E.Burcham FRS

Published by ELBS Longman, 1988

By Mathur D.S.

Published by S.Chand and Co., 1962

By P.V.Naik

Published by Pearson Education, 2006

By Warren Fenton stubbins

Published by John Wilay and sons, 1986

By Hans J Weber & Geroge B Arfken

Published by Elsevier Science, 2004

By Hans J. Weber & Geroge B. Arfken

Published by Elsevier Science, 2005

By Hans J. Weber & Geroge B. Arfken

Published by Elsevier Science, 2005

By Prof. K.A.Gangadhar and Prof. M.M.Ramanathan

Published by Khanna publishers, 1989