SINHAROY, S. ; JOHN MATHAI& NARAYANASWAMY
(1984). Structure and metamorphic characteristics of corderite bearing
gneises of South Kerala. JL. Geological Society of India, 25 (4): 231
- 234.
RAJU, G.K. ; JOHN MATHAI ; RAVINDRAKUMAR, G.R. & NAIR, N.G.K.(1986). Natural
radio - activity distribution studies in Trivandrum District, Kerala,
India. Indian Academy Of Sciences - Proceedings (Earth and Planetary Sciences),
95(3): 397 - 407.
THAMPI, P.K. ; JOHN MATHAI & SANKAR, G.(1994). Landslides(Urul Pottal)
in Western Ghats: some field observations. Proccedings of VII Kerala Science
Congress : 97-99.
CHATTOPADHYAY,S. ; JOHN MATHAI ; VARMA,A.K. ; SUKUMAR,B. ; SANKAR,G.;
MACHADO,T.; SHRAVANKUMAR,V. ; SAMAD,A. ; EDISON,S. ; NARAYANAN,N.C. ;
GANGADHARAN,T. & SINHA,S.(1996). Micro/village level resource survey with
people's participation fir sustainable development. In: R.B. Singh(Ed.).
Research in Geography-Land use and Sustainable Development, 1 :47-78.
CHANDRAKARAN, S. ; THAMPI. P.K. ; JOHN MATHAI & SANKAR, G. (1997). Physical properties of soils from landslide prone areas of Idukki and Kottayam, Proceedings of Indian Geological Congress : 537- 540.
SIDHARTHAN, S. ; THAMPI, P.K. ; JOHN MATHAI & SANKAR, G.(1998). Socio-economic evaluation of a typical landslide prone region in the Western Ghats. Proceedings of X Kerala science congress , kozhikode : 360-361.
SIDHARTHAN, S. ; THAMPI, P.K. ; JOHN MATHAI& SANKAR, G.(1998). Relevance of socio - economic investigations in landslide deligation - A case study in parts of the Western Ghats of Kerala. Indian Cartographer, 17 : 281-289.
THAMPI, P.K. ; JOHN MATHAI ; SANKAR, G. & SIDHARTHAN, S. (1998). Debris flows in Western Ghats, a regional evaluation. Proccedings of X Kerala Science Congress, Kozhikode : 73-75.
THAMPI, P . K. ; SANKAR, G. ; JOHN MATHAI ; SIDHARTHAN, S. & DINAKAR, V.S.(1998). Contour bunding on high slopes of Western Ghats a catalyst to landslides Proccedings of X Kerala Science Congress, Kozhikode : 78-80.
JOHN MATHAI (2000) Diverse problems water
problems in Kerala: an over view Loyola Jour. Soc. Sci V. 14, pp 112-124
THAMPI, P . K.,SIDHARTHAN, S.., JOHN MATHAI and SANKAR, G. (2001) Application
of GIS in Landslide hazard zonation, Indian Cartographer, V.20, pp149-158
