Singh , N and Mahmood, U and Kaul , V K and Jirovetz, L (2007) A new phthalic acid ester from Ajuga bracteosa. Tetrahedron (63). pp. 1000-1007.

Singh , N and Mahmood, U and Kaul, V K and Gupta , A P (2006) A new alkylated benzoquinone from rhizomes of Iris kumaonensis. Natural Product Research, 20 (1). pp. 75-78.

Mahmood, U and Kaul , V K and Acharya , Ruchi (2004) Volatile constituents of Capillipedium parviflorum. Phytochemistry, 63. pp. 2163-2166.

Mahmood, U and Kaul , V K and Acharya, Ruchi (2003) p-Coumaric acid esters from Tanacetum longifolium. Phytochemistry, 64 (4). pp. 851-853.

Mahmood, U and Kaul , V K (2002) Alkylated benzoquinones from Iris kumaonensis§. Phytochemistry, 61 (8). pp. 923-6.

Mahmood , U and Singh, Virendra and Kaul , V K and Lal, Brij and Negi, H R and Ahuja, Paramvir Singh (2005) Volatile constituents of the cold desert plant Dracocephalum heterophyllum Benth. Flavour and Fragrance Journal, 20 (2). pp. 173-175.

csir, ihbt (2008) A PROCESS FOR EXTRACTION OF ESSENTIAL OIL FROM DRACOCEPHALUM HETEROPHYLLUM BENTH. 01447/DELNP/2003 (223451).

Verma, V H K and Mahmood, U and Singh , Bikram (2002) Clerodane diterpenoids from Ajuga bracteosa Wall. Natural Product Letters, 16 (4). pp. 255-259. ISSN 1057-5634

Mahmood, U and Kaul , V K and Singh , Bikram (2002) Sesquiterpene and long chain ester from Tanacetum longifolium. Phytochemistry, 61 (8). pp. 913-917. ISSN 0031-9422