Ar y clawr = On cover: AEA Technology.
Pilot study on the composition of municipal solid waste in Wales : executive summary : February 2002 = Astudiaeth arbrofol o gyfansoddiad gwastraff solet bwrdeistrefol yng Nghymru : crynodeb gweithred. Published by Cynulliad Cenedlaethol Cymru in 2002. Publication and catalogue information, links to buy online and reader comments.