Methods for aquatic toxicity identification evaluations : phase I : toxicity characterization procedures /

Mode of access: Internet.

Test methods for high temperature materials characterization /

"Final report for period February 1976-December 1978."

Homogeneity characterization of NBS spectrometric standards IV; Preparation and microprobe characterization of W-20 percent Mo alloy fabricated by powder metallurgical methods

Mode of access: Internet.