Biblio

J. Liu y Orr, S., «Water footprint overview in the governmental, public policy, and corporate contexts», in On the water front : selections from the 2009 World Water Week in Stockholm, 2009, pp. P. 73-79; 26 refs.; 3 fig.

L. Bo y Liu, J., «Rainwater harvesting systems for drinking water supply in China», in Rainwater catchment for future generations : proceedings of the 5th International Conference on Rain Water Cistern Systems, Keelung, Taiwan, 4-10 August 1991, 1991, pp. P. 568-573 : 4 fig.