Authors: PEKKALA O

Citation: O. Pekkala, ELIMINATION OF METHYL MERCAPTAN FROM THE KRAFT PULPING PROCESS WITH POLYTHIONATE AND POLYSULFIDE SOLUTIONS, Paperi ja puu, 80(1), 1998, pp. 40-40

Authors: PEKKALA O

Citation: O. Pekkala, FROM RESEARCH TO PRACTICE, Paperi ja puu, 79(5), 1997, pp. 326-326

Authors: PEKKALA O

Citation: O. Pekkala, EFFECT OF COOKING TEMPERATURE DURING EXTE NDED DELIGNIFICATION - SELECTIVITY, STRENGTH PROPERTIES AND TCF-BLEACHABILITY, Paperi ja puu, 78(6-7), 1996, pp. 385-385

Authors: PEKKALA O

Citation: O. Pekkala, SOFTWOOD DELIGNIFICATION BY MSS-AQ IN ONE AND 2 STAGES - PULP CHARACTERISTICS, Paperi ja puu, 77(10), 1995, pp. 641-641

Authors: ENGSTROM J LONNBERG B PEKKALA O

Citation: J. Engstrom et al., BLACK LIQUOR PRETREATMENT IN KRAFT COOKING (VOL 76, PG 1, 1994), Paperi ja puu, 76(4), 1994, pp. 255-255

Authors: ENGSTROM J LONNBERG B PEKKALA O

Citation: J. Engstrom et al., BLACK LIQUOR PRETREATMENT IN KRAFT COOKING, Paperi ja puu, 76(1-2), 1994, pp. 59-66