Citation: B. Defoucault, NEW THOUGHTS ON THE QUALITATIVE LAWS OF T HE VEGETAL FIELD AND THEIR HEURISTIC VALUE, Acta botanica gallica, 144(1), 1997, pp. 129-144
Citation: B. Defoucault, RESULTS OF FLORISTICAL AND PHYTOSOCIOLOGI CAL INVESTIGATIONS ON THE PONDS OF THE SOUTH-EASTERN PART OF DEPARTMENT OF NORD (FRANCE), Belgian journal of botany, 130(1), 1997, pp. 68-92