Gray, G. L., & Gary L. Gray; Francesco Costanzo; Michael E Plesha. Engineering mechanics: Dynamics. New York: McGraw-Hill Higher Education.

Gray, Gary L., و Gary L. Gray; Francesco Costanzo; Michael E Plesha. Engineering Mechanics: Dynamics. New York: McGraw-Hill Higher Education.

Gray, Gary L., و Gary L. Gray; Francesco Costanzo; Michael E Plesha. Engineering Mechanics: Dynamics. New York: McGraw-Hill Higher Education.