Kettle, Sidney F Symmetry and structure: Readable group theory for chemists - 3rd ed. - Chichester Wiley 2007 - ix, 426 p. 2339 26/07/2016 PBA16/323 01/08/2016 Rashtriya Uchchatar Shiksha Abhiyan ISBN: USD83 Dewey Class. No.: 541.22015122 K513S(3)