1980 - Computability an Introduction to Recursive Function Theory (Hardcover) → Paperback ISBN-13: 9780521223843 ISBN-10: 0521223849 Genre: Computers & Technology ? 1980 - Computability an Introduction to Recursive Function Theory (Paperback) → Hardcover ISBN-13: 9780521294652 ISBN-10: 0521294657 Genres: Computers & Technology, Science & Math, Engineering & Transportation ? |