Waernbaum G. Determination of sodium hydroxide in air: studies of the carbonization by using the decomposition of p-nitrophenylacetate / G.Waernbaum, 1990. - 5 p. - Текст : непосредственный.
Waernbaum G. Metod for bestamning av organiska peroxider i luft Metyletylketonperoxid / G.Waernbaum,R.Vahemann, 1989. - 9 s. - Текст : непосредственный.