TY - BOOK AU - Bindu Madhav, U AU - Joshi, O. P AU - Erikson, E TI - Radio isotope tracer technique for ground water flow studies in hard rocks: SIDA Assisted ground water project in Noyil, Ponnani and Amaravati River basins, Tamil Nadu and Kerala Report 1:17 U1 - INDIA/AGRI&IRR/1:17/1980 PY - 1980/// CY - coimbatore PB - Ministry of agriculture and irrigation ER -