PALUCH, Jarosław G. - GRUBA, Piotr. Inter-crown versus under-crown area: contribution of local configuration of tree to variation in topsoil morphology, pH and moisture in Abies alba Mill. forests. In European Journal of Forest Research. - Berlin : Springer - Verlag, 2012. ISSN 1612-4669, 2012, vol. 131, no. 3, s. 857-870.