1. Trials of fish/prawn separator trawls on fishing grounds in the Irish Sea, ICES Area VIIa;Ashcroft;Sea Fish Industry Authority, Tech. Rep. 253,1984
2. Circular Statistics in Biology;Batschelet,1981
3. The problems of small mesh Nephrops trawls in the Irish Sea — are separator trawls the answer?;Bennett;ICES CM 1985/K,1985
4. The behaviour of demersal fish in the path of a trawl;Bridger,1969
5. Net selectivity studies in the Northern Ireland Nephrops fishery;Briggs;Fish. Res.,1983