'... the British Sulphur Corporation's International Conference on Granular Fertilizers and their Production, which was held at the Europa Hotel, London W.1, on 14 and 15 November 1977' - Editor's note.
Granular fertilizers and their production : official proceedings of the international conference, London, England, November 1977. Published by British Sulphur Corporation Limited in 1978. Publication and catalogue information, links to buy online and reader comments.