Charter, articles of association, and rules of the Savannah Cotton Exchange.

Mode of access: Internet.

Fate and impact of pentachlorophenol in a freshwater ecosystem /

Mode of access: Internet.

Design and evaluation of a terrestrial model ecosystem for evaluation substitute pesticide chemicals /

Mode of access: Internet.

Evaluation of ion exchange softening and corrosiveness of drinking water.

Mode of access: Internet.

A gas-exchange system for assessing plant performance in response to environmental stress /

Mode of access: Internet.