TY  - BOOK
TI  - Topo Sheets of Kerala : Aleppey, Ernakulam and Kottayam Distrcts
U1  - 58/C/5/SW 
PY  - 1993///-95
CY  - Govt. of India
PB  - 104(HBD) Printing group of survey of india
KW  - Top sheets
KW  - Kerala
N1  - Map
ER  -