Programming Erlang: Software for a Concurrent World - Paperback - GOOD

Programming Erlang: Software for a Concurrent World by Armstrong, Joe

Erlang Programming: A Concurrent Approach to Software Development - GOOD

Programming Erlang: Software for a Concurrent World by Joe Armstrong

Programming Erlang : Software for a Concurrent World Perfect Joe

Erlang Programming: A Concurrent Approach to Software Development - VERY GOOD