1. Abedin MJ, Cresser MS, Meharg AA, Feldmann J, Howells JC (2002) Arsenic accumulation and metabolism in rice (Oryza sativa L.) Environ Sci Technol 36:962–968
2. Aggarwal SK (2009) Heavy metal pollution. A. P. H. Publishing Corporation, New Delhi
3. Agilent Technologies (2012) Agilent Vapor Generation Accessory VGA 77 User’s guide manual part number 8510104700, 10th edn. Agilent Technologies, Inc, Santa Clara
4. Allen SE, Grimshaw HM, Rowland AP (1986) Chemical analysis. In: Moore PD, Chapman SB (eds) Methods in plant ecology. Blackwell Scientific Publications, London, pp 285–344
5. APHA (American Public Health Association) (2005) Standard methods for the examination of water and wastewater, 21st edn. American Public Health Association, American Water Works Association and Water Environment Federation, Washington, DC