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By Bhanu Pratap Singh, Rakesh Behari Mathur, Shailaja Pande. Dr. R.B. Mathur is associated with the CSIR-National Physical laboratory, New-Delhi, India, as Chief scientist and Head, Physics and Engineering of Carbon.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.