Final environmental impact statement

by United States. Bureau of Land Management. Lakeview District

Perlite

by United States. Bureau of Mines.

Perlite (Mineral Dossier)

by Dept.of Industry

Perlite

by R. L. Langford

Perlite

by Arthur C. Meisinger

Perlite

by T. W. Dickson

Processing perlite

by Robert Harrison Weber

Draft environmental impact statement

by United States. Bureau of Land Management. Lakeview District

Composition of perlite

by United States. Bureau of Mines.

Source category survey

Perlite in the Philippines

by Amable J. Cruz

Perlite

by Arthur C Meisinger

Growing in Perlite (Grower Digest)

Perlite resources of the United States

by Marion C. Jaster

Perlite deposits near the Deschutes River

by John Eliot Allen

Die Deformations- und Bruchmechanismen des lamellaren Perlit...

by Manfred Pröger

Perlite Products World Summary

by Editorial DataGroup

Perlitic obsidian at Sandy Braes, Co. Antrim

by Peter Aubrey Sabine

Secretary of State's Guidance <196> Exfoliation of Vermiculi...

by Rand McNally

Vermiculite in Ontario, with an appendix on perlite

by G. R. Guillet