TY - BOOK ID - 14376887 TI - Nutrient flows in agricultural production and international trade : Ecological and policy issues AU - Craswell, Eric T. AU - Grote, Ulrike AU - Henao, Julio AU - Universität Bonn PY - 2004 PB - Bonn ZEF Bonn DB - UniCat KW - research and development ( R & D ) KW - nutrients KW - agricultural policy KW - eco-policy KW - human nutrition UR - https://www.unicat.be/uniCat?func=search&query=sysid:14376887 AB - ER -