Tracers in hydrology : proceedings of an International Symposium held at Yokohama, Japan, 21-23 July 1993 /
edited by N.E. Peters ... [et al.].
- Wallingford, Oxfordshire : International Association of Hydrological Sciences, 1993.
- x, 350 p. : ill., maps.
- IAHS publication ; no. 215 .