Hänninen, K., & Koskikallio, J. (1987). PHENOLIC ACIDS IN HUMUS CHEMISTRY. Suomalainen Tiedeakatemia.
Chicago Style (17th ed.) CitationHänninen, Kari, and J. Koskikallio. PHENOLIC ACIDS IN HUMUS CHEMISTRY. Helsinki: Suomalainen Tiedeakatemia, 1987.
MLA (9th ed.) CitationHänninen, Kari, and J. Koskikallio. PHENOLIC ACIDS IN HUMUS CHEMISTRY. Suomalainen Tiedeakatemia, 1987.
Warning: These citations may not always be 100% accurate.