[1] C.P. Gupta, S. Ahmed, and V.V.S. Gurunadha Rao, Conjunctive use of surface water and groundwater to arrest the water level decline in an alluvional aquifer, "Journal of Hydrology", 76, 1985, pp. 351-361.

[2] C.P. Gupta, M. Thangarajan, and V.V.S. Gurundaha Rao, Evolution of regional hydrogeologic set-up of a hard rock aquifer through R-C analog model, "Ground Water", 23/3, 1985, pp. 331-335.

[3] V.V.S. Gurunadha Rao, Groundwater modelling: flow and mass transport model case studies, in "Proceedings of Brainstorming Session on Groundwater Modelling", K.D. Sharma (ed.), CAZRI, Jodhpur, Oct. 21-24, 1999, pp. 77-106.

[4] V.V.S. Gurunadha Rao and P. Babu Rao, Prediction of water level rise due to proposed canal network in northern part of SRBC Command Area, in "National seminar of water resource development and management for sustainable Crop Production, Feb. 12-13, 1999", Water and Land Management Training and Research Institute (WALAMTARI), Hyderabad, 1999, pp. 138-152.

[5] V.V.S. Gurunadha Rao and C.P. Gupta, Aquifer modeling in management of groundwater, "Jour. Ind. Water Cong. for Pub. Health and Environment", Special Issue, Proc. Indian Water Cong., 1987, pp. G2/1-G2/6.

[6] V.V.S. Gurunadha Rao and C.P. Gupta, Groundwater flow models, "Groundwater News", 3/4-5, 1989, pp. 4-8.

[7] V.V.S. Gurunadha Rao, M. Thangarajan, and R.L. Dhar, Assessment of contaminant migration through mass transport modelling, in "Workshop on water pollution: Assessment and Management", organized by Indo-German NachKontact Association (IGNA), Hyderabad, Oct. 9-10, 1997, pp. 108-122.

[8] T. Narasimha Reddy, P. Prakasam, V.V.S. Gurunadha Rao, and C.P. Gupta, Groundwater modelling of a granitic aquifer in Dulapally basin, in "29th Int. Geol. Cong. Kyoto, Japan", Aug. 24- Sept. 3, 1992, p. 297.

[9] K. Radhika, B. Venkateswara Rao, V.V.S. Gurunadha Rao, and R.L. Dhar, Coupled recharge and groundwater flow model in Mallavaram watershed in East Godavari district, in "National Seminar on Geophysical Exploration: Retrospect and Prospect", Dept. of geophysics, Andhra University, Visakhapatnam, Feb. 10-11, 2000, p. 57.

[10] G.V. Subrahmanyam, P. Parkas, and V.V.S. Gurunadha Rao, Aquifer modelling of Desaripally watershed in Andhra Pradesh, in "Proceedings of International Symposium on Emerging Trends in Hydrology, Singhal et al. (eds.), organized by Department of Hydrology, University of Roorkee, Sept. 25-27, 1997, pp. 323-335.

[11] A. Srinivas, B. Venkateswara Rao, and V.V.S. Gurunadha Rao, Groundwater recharge estimates in Kanchanapally watershed, in "International Symposium on Emerging Trends in Hydrology", Singhal et al. (eds.), organized by Department of Hydrology, University of Roorkee, Sept. 25-27, 1997, p. 31.

[12] A. Srinivas, B. Venkateswara Rao, and V.V.S. Gurunadha Rao, Aquifer modelling of a small watershed in granitic terrain, "Hydrological Sciences Journal", 44/5, 1999, pp. 681-692.

[13] T. Vinoda Rao, K. Rajasekhar, V.V.S. Gurundha Rao, and R.L. Dhar, Validation of recharge estimates in a small watershed in Andhra Pradesh, in "Proceedings of Workshop on Challenges in Groundwater Development", organized by CBIP, New Delhi, 2000, pp. 176-181.

[14] T. Vinoda Rao, V.V.S. Gurunadha Rao, and C.P. Gupta, Numerical modelling of Lower Tandava River Basin, in "International Conference on Management of Drinking Water Resources", Chennai, Dec. 3-5, 1997, p. 10.