@book{8437,
	author = {Moulton, Forest Ray,},
	title = {An introduction to celestial mechanics /},
	publisher = {The Macmillan company;},
	year = {1914[printed 1956].},
	address = {New York ;},
	edition = {2d rev. ed.},
	note = {The second revised edition was first published April, 1914.}
}