papers presented at the symposium on recreational economics and analysis, London Graduate School of Business Studies, January 1972 Searle, G A C (Ed) creator text xx Essex Longman 1975 9999 monographic und xvii, 190p. G A C Searle Recreations; Cost effectiveness; Economic policy; Policy science 338.4779 S439R 0-582-44164-1 74-77926 NITIL 190328