"BIFFAWARD project number: B/989/1150.".
"ENTRUST project number: 710247.004.".
The GROWS Project (Green Recycling of Organic Waste from Supermarkets). Part 1, Collection and composting phase : Final report by Jon Pickering. ISBN 1872064345. Published by Organic Resource Agency Ltd. in 2002. Publication and catalogue information, links to buy online and reader comments.