Columbia subject headings:
Mathematical statistics--Congresses.
Rao, C. Radhakrishna (Calyampudi Radhakrishna), 1920---Congresses.
Harvard subject headings:
Mathematical statistics--Congresses
Rao, C. Radhakrishna (Calyampudi Radhakrishna), 1920---Congresses.
Princeton subject headings:
Mathematical statistics--Congresses.
Rao, C. Radhakrishna (Calyampudi Radhakrishna), 1920---Congresses.