TY - BOOK AU - Korn,Horst AU - Stadler,Jutta ED - SBSTTA TI - Report on the expert meeting in preparation of the fourth meeting of SBSTTA : April 13-15, 1999 U1 - 570.72 PY - 1999/// CY - Bonn PB - Federal Ministry of Environment, Nature Conservation and Nuclear Safety KW - Conservación de la naturaleza KW - Especies exóticas KW - Biotecnología ER -