TY - BOOK AU - Hazen,Robert M. AU - Singer,Maxine TI - Why aren't black holes black?: the unanswered questions at the frontiers of science SN - 0385480148 (pbk) AV - Q173 .H42 1997 U1 - 500 21 PY - 1997/// CY - New York PB - Anchor Books KW - Science KW - Miscellanea N1 - Includes bibliographical references (p. [299]-309) ER -