Ram, Atma and Prasad, S N and Srivastava, K P (1973) A new concept of the coloring mechanism of copper ruby glass. Glass and Ceramics, 30 (2). pp. 131-132. ISSN 0361-7610

Ram, Atma and Prasad, S N and Vaish, V K and Varshney, Y P (1957) Development of a process for the manufacture of signal red glass and a study of factors affecting the colour. Part I: Selenium red glass. CGCRI Bulletin, 4 (4). pp. 165-171. ISSN 0008-9397

Ram, Atma and Prasad, S N and Vaish, V K and Varshney, Y P (1955) Sun glare glasses suitable for use in tropical countries. CGCRI Bulletin, 2 (4). pp. 159-170. ISSN 0008-9397