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

Mode of access: Internet.

Path integral calculation of the three-particle direct and exchange contributions to the pair distribution function and of the third virial coefficient for He4 gas /

Thesis--Illinois.

Report concerning the billing practices of public utilities providing gas service to consumers in Illinois /

Pursuant to HR 102, this report contains information pertaining to the guidelines that govern the practice of using estimates in issuing utility bills, the methodologies used by utilities in estimating usage, and standards for accuracy of metering devices.