Book

GOVINDASAMY, K and BALAMURUGAN, R and RAMESH, A and SHANMUGADOS, V.V and MUTHUSAMY, P and KASINATHAN, Kasinathan (2010) UNSPECIFIED Tamilnadu Textbook, Chennai.

OGATA, Katsuhiko (2010) UNSPECIFIED Prentice Hall, Boston. ISBN 978 013 615 673 4