MORPHOLOGICAL AND HISTO-ANATOMICAL ASPECTS AT SOME DICOTILEDONATE SEEDLINGS RELATED TO THE VASCULAR TRANSITION Journal title: Analele Stiintifice ale Universitatii Alexandru Ioan Cuza din Iasi, Serie noua, Sectiunea II a. Biologie vegetala Authors: RODICA RUGINĂ, C. TOMA, LĂCRĂMIOARA IVĂNESCU Subject(s):