Basic data report on piezometers at Kumarakom, Kottayam distric/
compiled by P. Pirama Nayagam; Central Ground Water Board, Kerala Region (Trivandrum)
- Trivandrum, Kerala : Central Ground Water Board, Ministry of Water Resources, Govt. of India, 1993
- 9 p.,[1] leaf of plates : charts, plans; 29 cm.
Cyclostyled Cover-title Project: Exploration in the eastern parts of Vembanad lake