Base flow and water supply for irrigation, 1: An analytical model [ground water, parameter, geo-hydraulic conditions, natural and artificial infiltration, percolation, river basin, watershed]

1980

Dahl, N.J.

Characteristics of households migrating to, within, and from rural areas [in New Zealand]

1980

Crothers, C. (Ministry of Works and Development, Wellington (New Zealand). Town and Country Planning Division)