Singal, S P Acoustic remote sensing: Proceedings of the fifth international symposium on acoustic remote sensing of the atmosphere and oceans, February 6-9, 1990, New Delhi - New Delhi: Tata McGraw-Hill Book Company Limited, 1990 - xii, 538p. Subjects--Topical Terms: Industries Subjects--Index Terms: Ocean studies Universal Decimal Class. No.: I 681.524:528(082.2) / N0