TY - BOOK ED - Session of the International Poplar Commission and Proceedings of the Fourth International Poplar Commission TI - Report of the fifth session of the International Poplar Commission and proceedings of the fourth International Poplar Commission held in United Kingdom April-May 1951 U1 - 634.9723 21st ed. PY - 1951/// CY - Rome PB - Food and Agriculture Organization of the United Nations KW - Conferences KW - Forestry KW - Poplars KW - Proceedings KW - Reports ER -