 Emeritus professors do not receive a salary, but they are often given office or lab space, and use of libraries, labs, and so on.The term professor is also used in the titles "assistant professor" and "associate professor", which are not considered professor-level positions in all European countries.In Australia, the title "associate professor" is used in place of the term "reader" as used in the United Kingdom and other Commonwealth countries; ranking above senior lecturer and below full professor.