J. H. J. Ensink, M. Aslam, R., Konradsen, F., Jensen, P. K., and van der Hoek, W.,
Linkages between irrigation and drinking water in Pakistan, vol. no. 46. Colombo, Sri Lanka: International Water Management Institute (IWMI), 2002, p. v, 14 p. : 3 fig., 6 tab.
