@book{66497,
	author = {Michniewicz, Marian. and Stopinska, Jadwiga.},
	title = {The effect of nitrogen nutrition on growth and on plant hormones content in scots pine (Pinus silvestris L.) seedlings grown under light of different intensiy},
	note = {Sobretiro de : Acta Societatis Botanicorum Poloniae, 49 (3): 221-234, 1980}
}