Some distributions using APT-RPM for package management are:
"On APT in ALT Linux" (in Russian). http://www.altlinux.org/APT_%D0%B2_ALT_Linux ↩
According to the archived Changelog of the ALT's "apt" package, it was introduced into ALT Linux Sisyphus in 2001. http://git.altlinux.org/people/at/packages/?p=apt.git;a=blob;f=ChangeLog-rpm.old;h=22b24df4c037e0ed3c255c933325a3856bba890b;hb=HEAD#l276 ↩