A manual for use in the design and appraisal of livestock health policy Putt, S.N.H Shaw, A.P.M. Woods, A.J. Tyler, L. James, A.D. text England ILCA c1987 monographic xvii,130 p, ; ill. S.N.H.Putt, A.P.M.Shaw, A.J.Woods, L.Tyler and A.D.James Includes bibliographies and index Veterinary epidemiology and economics SF780.9 .V4 1987 No. 3 9290530766 UOEL 000 20150528105228.0