«ON THE VALIDITY AND SIGNIFICANCE OF NUMMULITES STAMINEUS NUTTALL IN THE PERSPECTIVE OF NUMMULITES DISCORBINUS (SCHLOTHEIM) AND NUMMULITES BEAUMONTI D’ARCHIAC AND HAIME IN THE MIDDLE EOCENE OF CAMBAY BASIN, INDIA», RIPS, vol. 111, fasc. 1, mar. 2005, doi: 10.13130/2039-4942/6273.