Fang, Li Zhi Basic concepts in relativistic astrophysics Li Zhi Fang and Remo Ruffini - Singapore World Scientific 1983 - ix, 218p. ISBN: 9971-950-66-9 Subjects--Topical Terms: Astronomy and astrophysics thesaurusRelativistic astrophysics Universal Decimal Class. No.: 524.834 / FAN