@book{176,
	author = {Borys, Michal Wlodzimierz. and Krzywanski, Z. and Czech, M.},
	title = {N, P, K, Ca- and Mg concentration in leaves and canes of two red raspberry cultivars},
	note = {Sobretiro de : Revista di Agricoltura Sub Tropicale e Tropicale 81 (1-2) : 165-173, 1987}
}