K. A. S. T. N. D. U. G. A K Biswas, M R Sudharshan, “Chilling injury of large cardamom (Amomum subulatum Roxb.) in high altitudes of Sikkim and Darjeeling, India”, J Spices Arom Crops, vol. 21, no. 1, pp. 78–81, Jun. 2012.