1. Aird P. L. and Stone E. L. 1955. Soil characteristics and the growth of European and Japanese larch in New York. J. For. 53: 425?429.
2. Allison L. E. 1965. Organic carbon, pp. 1367?1378. In: Black C. A. (Ed) Methods of Soil Analysis. Part II. Agronomy 9. Amer. Soc. Agron., Madison, WI.
3. Briggs R. D. and Lemin R. C.Jr. 1992. Delineation of climatic regions in Maine. Can. J. For. Res. 22: 801?881.
4. Carter K. K. and Selin L. O. 1987. Larch plantation management in the Northeast. North. J. Appl. For. 4: 18?20.
5. Day P. R. 1965. Particle fractionation and particle-size analysis, pp. 545?567. In: Black C.A. (Ed) Methods of Soil Analysis. Part II. Agronomy 9. Amer. Soc. Agron., Madison, WI.