Грaнков, В. П. Grankov, V. P. Vyborochnoye nablyudeniye / V. P. Grankov. - Moskva : Gos. statisticheskoe izd-vo, 1955. - 74 p. ; ISBN: RUSSIAN22563 Subjects--Topical Terms: Sampling (Statistics). Dewey Class. No.: 519.93 / Vy