Laurent, T.E. Soils of the Red Fir Forest-Barrens Mosaic, Siskiyou Mountains Crest, California / T.E. Laurent, R.C. Graham, K.R. Tice. -- 1.vyd.

In Soil Science Society of America Journal. -- Vol.58, No.6. (1994), s. 1747-1752. obr.. tab.

I. Graham, R.C.
II. Tice, K.R.
III. Soil Science Society of America Journal. -- Vol.58, No.6. (1994), s. 1747-1752. obr.. tab.
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