Sethi, R. P., A. Singh, M. S. Kalra, D. S. Chahal, and B. L. Kawatra. “Nutritional Evaluation of <i>Penicillium crustosum</I> Protein”. The Indian Journal of Nutrition and Dietetics, vol. 13, no. 10, Oct. 1976, pp. 332-5, https://www.informaticsjournals.com/index.php/ijnd/article/view/11716.