Bhardwaj , R and Kaur, S and Nagar, P K and Arora, H K (2007) Isolation and characterization of brassinosteroids from immature seeds of Camellia sinensis (O) Kuntze. Plant Growth Regulation, 53 (1). pp. 1-5.

Gupta, D and Bhardwaj , R and Nagar , P K and Kaur, S (2004) Isolation and characterization of brassinosteroids from leaves of Camellia sinensis (L.) O. Kuntze. Plant Growth Regulation, 43 (2). pp. 97-100.

Sondhi, N and Bhardwaj, R and Kaur, S and Chandel, M and Kumar, Neeraj and Singh , Bikram (2010) Inhibition of H2O2-induced DNA damage in single cell gel electrophoresis assay(comet assay) by castasterone isolated from leaves of Centella asiatica. Health, 2 (6). pp. 595-602.

Sondhi, N and Bhardwaj, R and Kaur, S and Kumar, Neeraj and Singh , Bikram (2008) Isolation of 24-epibrassinolide from leaves of Aegle marmelos and evaluation of its antigenotoxicity employing Allium cepa chromosomal aberration assay. Plant Growth Regulation , 54 (3). pp. 217-224. ISSN 0167-6903