His position is no longer tenable given recent research&colon; the text remains "indubitably authentic". The most famous Slovak names can indubitably be attributed to invention and technology. Before 1841 only a single work, a motet, has indubitably been composed by Bruckner. Thus, the child's gender is indubitably female. Three other, very brief, fourth century inscriptions are also indubitably Doric. After 15-odd years in the business, he is indubitably at the top of his game"". A population's heritage is indubitably tied to their local environment.