Instrumental methods of chemical analysis : analytical chemistry / Gurdeep R. Chatwal, Sham K. Anand ; edited by M. Arora, Aseem Anand. Chatwal, Gurdeep R. Anand, Sham K. Arora, M. ed. Anand, Aseem . ed. Spectrum analysis. Chemistry, Analytic. 543 CHI Mumbai : Himalya, 2002 ( 2010 printing ). 2002 ( 2010 printing ). 2002 Text Various in paging : eng