(1)
Gupta, R. On Ignavia Breviovarica Sp. Nov., from the Purple Heron, Ardea Purpurea (Linnaeus), With a Note on the Validity of Brijicola Caballeroi Pande, 1960 (Trematoda: Echinostomatidae). Rev. Biol. Trop. 1962, 10, 99–110.