1. Metroclot, a Substitute for Rennet;Milk Products J,1960
2. FAO Ad Hoc Consultation on World Shortage of Rennet in Cheesemaking,1968
3. Official Methods of Analyses of the Association of Official Agricultural Chemists,1965
4. Microbial Rennet Substitutes — a Review;Babbar;Indian J. Dairy Sci.,1965
5. Rennet-Pepsin Mixtures for Cheese Manufacture;Babei;Dairy Ind.,1967