Is someone contaminating-- your drinking water? : an overview of potentially harmful shallow injection wells.

Mode of access: Internet.

Algal bioassays with leachates and distillates from western coal /

Mode of access: Internet.

Supplemental report for the red algal sexual reproduction test : training videotape /

Mode of access: Internet.

Sociopathic knowledge bases : correct knowledge can be harmful even given unlimited computation /

"College of Engineering, UILU-ENG-89-1757."

Bethlehem alloy and special steels, bars, billets, blooms and slabs; catalogue ---- 107.

On cover: Bethlehem alloy steels.

Health and longevity through rational diet; practical hints in regard to food and the usefulness or harmful effects of the various articles of diet.

Includes tables.