R. E. Popham

Atomic absorption characteristics of gallium and indium

W. Schrenk, R. E. Popham, 1969 .

Anodic stripping voltammetric determination of antimony in gunshot residue

Robert C. Briner, Supaporn Chouchoiy, Randall W Webster, 1985 .

Simple Demountable Hollow Cathode for Atomic Absorption Spectroscopy

W. Schrenk, R. E. Popham, 1968 .