Heinonen, R. (1961). Soil Productivity in the textural range from clay loam to very heavy clay.
Chicago Style (17th ed.) CitationHeinonen, Reijo. Soil Productivity in the Textural Range from Clay Loam to Very Heavy Clay. 1961.
MLA (9th ed.) CitationHeinonen, Reijo. Soil Productivity in the Textural Range from Clay Loam to Very Heavy Clay. 1961.
Warning: These citations may not always be 100% accurate.