Garg, R.; Ateequzzaman, K. Dinoflagellate Cysts from the Lakadong Sandstone, Cherrapunji Area: Biostratigraphical and Palaeoenvironmental Significance and Relevance to Sea Level Changes in the Upper Palaeocene of the Khasi Hills, South Shillong Plateau, India. JPS 2000, 49, 461-484.