1. Official Methods of Analysis;Association of Official Agricultural Chemists,1960
2. Official Methods of Analysis;Association of Official Agricultural Chemists,1965
3. Silage Fermentation;Barnett,1954
4. Studies on Pangola grass at I.C.T.A. Trinidad. III. Concentrate feeding of dairy cows on pangola grass pastures;Butterworth;Trop. Agric. (Trinidad),1961
5. The digestibility of tropical grasses;Butterworth;Nutr. Abstr. Rev.,1967