@book{30076,
	author = {Baker, Robert M. L., and Makemson, Maud Worcester,},
	title = {An introduction to astrodynamics /},
	publisher = {Academic Press,},
	year = {1967.},
	address = {New York :},
	edition = {2nd ed.},
	note = {"Annotated contents" (x p.) inserted.}
}