Nanostructured materials 281 History 194 Memories 151 Materials 124 Nanotechnology 117 Memory 115 Malayalam; Memories 106 Materials management 105 Philosophy 91 Engineering 90 Economics 82 India 77 Literature 77 Children's Books 70 Polymers 67 Purchasing and materials management 67 മലയാളം; സ്മരണ 61 Malayalam; Memoris 58 Management 56 Material culture 56 Psychology 56 History and criticism 53 Dissertations, Academic (Ph.D) 52 Social Sciences 51 Composite materials 49 Dialectical materialism 49 Materialism 48 Fiction & Literature 47 Materials science 46 Nanostructures 46