Aquatic toxicology and hazard assessment proceedings of the fourth Annual Symposium on Aquatic Toxicology held 16-17 Oct. 1979 in Chicago, Ill.

Table of contents only

Stonewalls and waterfalls irrigation and the distribution of social power : a comparative study of the Bontok and Ifugao, central Cordillera, northern Philipines von Brett, June Prill

Ilocos framework plan Abra river basin.

Economic aspects and policy issues in groundwater development von Carruthers, Ian D.

Waterworks and sewerage/water resources management

Aquatic pollution von Laws, Edward A. 1945-

Cagayan framework plan Iligan river basin.

Polycyclic aromatic hydrocarbons in water systems von Futoma, David J.

Water aeration with plunging jets von Donk, Jan van de

The Water buffalo new prospects for an underutilized animal