00313nam a2200097Ia 4500008004100000082001700041100001900058245001900077260004500096650007400141211119s9999||||xx |||||||||||||| ||und||  a620.5bVIS-N  aViswanathan, B 0aNano Materials  bNarosa Publishing HouseaNew Delhic2009  aTechnologyv Engineering & allied operations ChemistryxGeneral Stack