Drummond, D.C. and Wilson, E.J. (1968). Laboratory investigations of resistance to warfarin of Rattus norvegicus Berkenhout in Montgomeryshire and ShropshireAnn. appl. Biol., 61, 303.
2.
Greaves, J.H. and Ayres, P. (1967). Heritable resistance to warfarin in rats. Nature, Lond., 215, 877.
3.
Boyle, C.M. (1960). Case of apparent resistance of Rattus norvegicus Berkenhout to anticoagulant poisonsNature, Lond., 188, 517.
4.
Lund, M. (1967). Wld. Rev. Pest Control, 6, 131.
5.
Ophof, A.J. and Langeveld, D.W. (1969). Warfarin-resistance in the Netherlands. SchrReihe Ver. Wass. -Boden-Lufthyg. Berlin- Dahlem, No. 32, 39. Stuttgart.
6.
Dodsworth, E. (1961). Mice are spreading despite such poisons as warfarin. Munic. Engng, Lond., No. 3746, 1668.
7.
O'Reilly, R.A. , Aggeler, P.M., Hoag , M.S., Leong, L.S. and Kropatkin , M.L. (1964). Hereditary transmission of exceptional resistance to coumarin anticoagulant drugs. The first reported kindred. New Engl. J. Med., 271, 809.
8.
Greaves, J.H. and Ayres, P. (1969). Linkages between genes for coat colour and resistance to warfarin in Rattus norvegicus. Nature, Lond., 224, 284.
9.
Hermodson, M.A. , Suttie, J.W. and Link, K.P. (1969). Warfarin resistance in the rat. Fedn Proc. Fedn. Am. Socs exp. Biol., 28, 386.
10.
Guillaume, A. (1951). Les appâts empoisonnés au glucochloral. Phytoma, No. 29-30, 17.
11.
Lhoste, J. (1955). Les rongeurs domestiques nuisibles. Dunod, Paris. 149pp.
12.
Rennison, B.D. , Hammond, L.E. and Jones, G.L. (1968). A comparative trial of norbormide and zinc phosphide against Rattus norvegicus on farms. J. Hyg., Camb., 66, 147.