Biju Longhinos & Nambiar, C. g. b. (2009). Geology and geochronology of silica sands of coastal plain of thiruvananthapuram district, kerala, india,with special reference to late quaternary environment (Thesis). Faculty of marine sciences, Cusat.
शिकागो स्टाइल उद्धरणBiju Longhinos और C.G; guided by Nambiar. Geology and Geochronology of Silica Sands of Coastal Plain of Thiruvananthapuram District, Kerala, India,with Special Reference to Late Quaternary Environment (Thesis). Kochi: Faculty of marine sciences, Cusat, 2009.
एमएलए उद्धरणBiju Longhinos और C.G; guided by Nambiar. Geology and Geochronology of Silica Sands of Coastal Plain of Thiruvananthapuram District, Kerala, India,with Special Reference to Late Quaternary Environment (Thesis). Faculty of marine sciences, Cusat, 2009.