Methods for aquatic toxicity identification evaluations : phase III : toxicity confirmation procedures /

Mode of access: Internet.

Methods for aquatic toxicity identification evaluations : phase II toxicity identification procedures /

Mode of access: Internet.

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

Mode of access: Internet.

Study report of methods to improve the application of state traffic records systems. Phase 1. Technical report.

Federal Highway Administration, Office of Enforcement and Emergency Services, Washington, D.C.

Study report of methods to improve the application of state traffic records systems - phase 2. Technical report.

Federal Highway Administration, Office of Enforcement and Emergency Services, Washington, D.C.

High temperature machining methods. Phase I: Evaluation of elevated temperature machining methods.

"Submitted in partial fulfillment of Contract A. F.---33(600)40066."

Methods to reduce built-in residual stresses in steel bridge diaphragms (Phase I) /

"July 2000."

Design of underground installations in rock; space layouts and excavation methods.

Mode of access: Internet.