@book{18621,
	author = {Siegel, CL and C.L.Siegel, J.K.Moser},
	title = {Curso de mecanica celeste},
	publisher = {Fundaçao Calouste Gulbenkian,},
	year = {1986},
	address = {Lisboa:},
	edition = {2º Ediçao},
	note = {1 exemplar}
}