Covington, W. Wallace (1981) Changes in forest floor organic matter and nutrient content following clear cutting in northern hardwoods. Ecology, 62 (1). pp. 41-48. ISSN 0012-9658
DeGioia-Eastwood, K. and Hackwell, J. A. and Grasdalen, G. L. and Gehrz, R. D. (1981) A correlation between infrared excess and period for Mira variables. The Astrophysical Journal Letters, 245. L75-L78. ISSN 0004-637X
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