TY  - BOOK
AU  - Lilier, William
AU  - Mayer, Ben 
TI  - The cambridge astronomy guide: A practical introduction to astronomy
SN  -  0521257786
U1  - 522 
PY  - 0000///185
CY  - London
PB  - Cambridge university press 
KW  - Physics
KW  - Astronomy guide
KW  - পদার্থবিদ্যা
N1  - Index
ER  -