1991 - Twistor Geometry and Field Theory [Cambridge Monographs on Mathematical Physics] (Paperback) → Hardcover ISBN-13: 9780521422680 ISBN-10: 052142268X Genres: Science & Math, Engineering & Transportation ? 1990 - Twistor Geometry and Field Theory [Cambridge Monographs on Mathematical Physics] (Hardcover) → Paperback ISBN-13: 9780521268905 ISBN-10: 0521268907 Genre: Science & Math ? |