AU - Siwecki,Ryszard ED - Institute of Dendrology TI - Mechanism of poplar leaf resistance to fungal infection / U1 - 582.16006 PY - 1973///-1978 CY - Poland : PB - Polish Academy of Sciences KW - Biology and Etilogy KW - Larici-populine KW - Ultrastructure KW - Trees - Fungal Infection ER -