This book has come out of thirty years of teaching experience of Dr. A.S.N. Murty, the first author, at Berhampur University and a powerful thought and research output of Dr. V.S.N. Murty, the second author, with an equal years of research experience at the National Institute of Oceanography (Council of Scientific and Industrial Research, Government of India), Goa. As many titles in this subject are by foreign authors and Indian students are finding it difficult ...