TY - JFULL ID - 133858927 TI - Options PY - 1977 PB - Laxenburg, Austria : International Institute for Applied Systems Analysis DB - UniCat KW - Global environmental change KW - Sustainable development KW - System analysis KW - System analysis. KW - Global environmental change. KW - Sustainable development. KW - International Institute for Applied Systems Analysis KW - International Institute for Applied Systems Analysis. UR - https://www.unicat.be/uniCat?func=search&query=sysid:133858927 AB - ER -