@book{56872,
	author = {Wincor, Richard. and United States},
	title = {How to secure copyright},
	publisher = {Oceana Publications},
	year = {[1950]},
	series = {Legal almanac series, no. 21},
	address = {New York},
	note = {Appendix (p. 61-94): Copyright law of the United States of America.}
}