Analysis of information sources in references of the Wikipedia article "Debbie Does Dallas" in French language version.
.« Although Arno asked Weisberg for copyright protection of the film in early 1979, Weisberg first became aware of the legal significance of the omission of the copyright notice from the film in January of 1981. Weisberg thus received "notice" of the defect at that latter date. See M. Kramer Mfg. Co. v. Andrews, 783 F.2d 421, 443 & n. 21 (4th Cir. 1986). Weisberg's failure to take reasonable [657 F.Supp. 463] efforts resulted in the film being irretrievably injected into the public domain "several months" later. »
