Authors: KOPPONEN P VALTTILA O TALKA E TORRONEN R TARHANEN J RUUSKANEN J KARENLAMPI S

Citation: P. Kopponen et al., CHEMICAL AND BIOLOGICAL 2,3,7,8-TETRACHLORODIBENZO-P-DIOXIN EQUIVALENTS IN FLY-ASH FROM COMBUSTION OF BLEACHED KRAFT PULP-MILL SLUDGE, Environmental toxicology and chemistry, 13(1), 1994, pp. 143-148

Authors: MALINEN R WARTIOVAARA I VALTTILA O ANTTILA S

Citation: R. Malinen et al., SCENARIO ANALYSIS OF PULP MANUFACTURE IN FINLAND TO THE YEAR 2010, Water science and technology, 29(5-6), 1994, pp. 19-31

Authors: JARVINEN R SAUNAMAKI R VALTTILA O

Citation: R. Jarvinen et al., REMOVAL OF NON-PROCESS ELEMENTS FROM BLEACH PLANT FILTRATES, Paperi ja puu, 76(9), 1994, pp. 571-572

Authors: VALTTILA O

Citation: O. Valttila, TRENDS IN EFFLUENT MANAGEMENT IN THE FINNISH PULP AND PAPER-INDUSTRY, Pulp & paper Canada, 94(5), 1993, pp. 56-60