Fertilization and thinning effects on a Douglas-fir ecosystem at Shawnigan Lake : 32-year growth response
Omule Stephen Agnew Yen'Emurwon
Mitchell Alan Kenneth
Wagner William Leroy
Victoria : Canadian Forest Service , 2011. - v, 22 s. : 20 obr., tab., 28 cm
xkni - KNIHY
1, z toho voľných 1