@book{67512,
	author = {Burton,  W. B},
	title = {The Large-scale Characteristics Of The Galaxy /},
	publisher = {Reidel Publishing Company,},
	year = {1979.},
	address = {Boston  :},
	note = {Symposium No. 84
Held In College Park, Maryland, Us.a.
12-17 June, 1978
},
	url = {https://fll.law.cu.edu.eg/fulltext/bks/B11-09026.pdf}
}