Virtanen Y, Nilsson S (1993)
Environmental Impacts of Waste Paper Recycling
Earthscan Publications Ltd, London, UK [1993] More
Virtanen Y, Nilsson S (1992)
Some Environmental Policy Implications of Recycling Paper Products in Western Europe
IIASA Executive Report ER-92-022 (July 1992) More
Luebkert B, Virtanen Y, Muehlberger M, Ingman J, Vallance B, Alber S (1991)
Life-Cycle Analysis: IDEA - An International Data Base for Ecoprofile Analysis. A Tool for Decision Makers
IIASA Working Paper WP-91-030 (September 1991) More