Selecting ecologically analogous forest stands ; A Rigorous method for studies of atmospheric deposition effects / R.P. Long, J.R. Macclenahen, K.A. Dwire. -- Ohio : The Ohio State Univ., 1991. -- 37 s. : 11 obr., 14 tab. -- (OARDC Research Circular 293). stanovištia lesné * ekológia lesa * atmosféra lesná