00304nam a2200109Ia 450000500170000000800410001708200160005810000180007424500490009226000450014130000080018620260224040940.0260224s9999||||xx |||||||||||||| ||und|| a574.872 SHA aSharma, N.S.  0aMolecular structure of genes and chromosomes aNew Delhi: Int. Scientific Academyc2005 a283