Pfister, Stephan; Koehler, Annette; Hellweg, Stefanie (). „Assessing the Environmental Impacts of Freshwater Consumption in LCA”. Environmental Science. 43 (11): 4008–104. Bibcode:2009EnST...43.4098P. doi:10.1021/es802423e. PMID19569336.
Chinnasamy, Pennan; Agoramoorthy, Govindasamy (). „Groundwater Storage and Depletion Trends in Tamil Nadu State, India”. Water Resources Management (în engleză). 29 (7): 2139–2152. doi:10.1007/s11269-015-0932-z. ISSN1573-1650.
Chinnasamy, Pennan; Agoramoorthy, Govindasamy (). „Groundwater Storage and Depletion Trends in Tamil Nadu State, India”. Water Resources Management (în engleză). 29 (7): 2139–2152. doi:10.1007/s11269-015-0932-z. ISSN1573-1650.
Data obtained from the Finnish Wikipedia article page Vesijalanjälki
worldcat.org
Chinnasamy, Pennan; Agoramoorthy, Govindasamy (). „Groundwater Storage and Depletion Trends in Tamil Nadu State, India”. Water Resources Management (în engleză). 29 (7): 2139–2152. doi:10.1007/s11269-015-0932-z. ISSN1573-1650.
Chinnasamy, Pennan; Agoramoorthy, Govindasamy (). „Groundwater Storage and Depletion Trends in Tamil Nadu State, India”. Water Resources Management (în engleză). 29 (7): 2139–2152. doi:10.1007/s11269-015-0932-z. ISSN1573-1650.