This book presents a detailed study on the vibration analysis of functionally graded piezoelectric actuators excited under the shear effect.

The thirty papers in this 1986 volume review the scientific knowledge of the nature of flint and chert at this time. These papers were presented at a 1983 interdisciplinary and international conference on flint and other cherts.

The book further pinpoints four areas for immediate action and investment.

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations.