TY  - BOOK
AU  - Pickover,Clifford A.
TI  - Black holes: a traveler's guide 
SN  - 0471197041
U1  - 523.8875 22
PY  - 1996///
CY  - New York
PB  - Wiley
KW  - Black holes (Astronomy)
KW  - Computer programs
N1  - Includes bibliographical references (p. 201-203) and index
ER  -