TY  - BOOK
AU  - Roy,A.E.
AU  - Clarke,D.
TI  - Astronomy: principles and practice 
SN  - 0750309172
U1  - 520 ROY 
PY  - 2003///
CY  - Bristol, Philadelphia
PB  - Institute of Physics Pub.
KW  - Astronomy
N1  - TBH/SINV00482/117
GBP 44.99; Includes bibliographical references (p. 458-459) and index
UR  - http://www.loc.gov/catdir/enhancements/fy0660/2004273028-d.html
ER  -