@book{2104,
	author = {Popov, E. P. and Nagarajan, Sammurthy,},
	title = {Mechanics of materials, SI version /},
	publisher = {Prentice-Hall ;},
	year = {c1978 [reprinted 1986].},
	address = {Englewood Cliffs, N.J. :},
	edition = {2nd ed.},
	note = {Includes index.}
}