Supplemental report for the sperm cell tests using the sea urchin Arbacia punctulata : training videotape /

Mode of access: Internet.

Supplemental report for the sheepshead minnow and inland silverside larval survival and growth toxicity tests : training videotape /

Mode of access: Internet.

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

Mode of access: Internet.

Details of an experimental videotape evaluation of an interactive exam system /

Mode of access: Internet.

A videotape analysis of student performance on an interactive examination /

Bibliography: p. 52.

Laser scanning of active semiconductor devices--videotape script /

"This activity was supported by the Defense Advanced Research Projects Agency and the National Bureau of Standards."

Defects in PN junctions and MOS capacitors observed using thermally stimulated current and capacitance measurements, videotape script /

Includes bibliographical references (p. 14).

Issues and innovations in distance learning /

"September 1998"--T.p. verso.