TY  - BOOK
AU  - Siva Prasanna Krishnan, 
TI  - The lighthouse and fresnel lens : men of the sea
T2  - Science in action series
SN  - 9832571952
U1  - 823 23
PY  - 2004///
CY  - Petaling Jaya, Selangor : 
PB  - Ilmiah Publishers , 
KW  - Children's stories, English
ER  -