De., M. L., and Tridib Ranjan Mitra. “Preliminary Observations on the Role of Three Soil Macroinvertibrates in the Break Down of the Leaf Litter in a Garden Near Calcutta”. Records of the Zoological Survey of India, vol. 97, no. 3, Sept. 1999, pp. 117-21, doi:10.26515/rzsi/v97/i3/1999/160130.