I. N. U. N. I. C. E. F. Reg Delhi, Delhi, I. N. World Bank, y IN, I. Rajiv Gand,
«Proceedings of the national workshop on potential improvements in India Mark II deepwell handpump design : May 24 & 25, 1990, India International Centre, Max Mueller Marg, New Delhi». World Bank Regional Water and Sanitation Group South Asia, New Delhi, India, p. 92 p.: fig., tab., 1990.
I. N. U. N. I. C. E. F. Reg Delhi, Delhi, I. N. World Bank, y IN, I. Rajiv Gand,
«Report on field testing in Coimbatore of the standard India Mark II and open top cylinder India Mark III pumps». World Bank Regional Water and Sanitation Group South Asia, New Delhi, India, p. ca. 130 p.: fig., tab., 1990.
