Spiegelman, Mortimer.
Introduction to demography / Mortimer Spiegelman. - Chicago, Society of Actuaries, 1955. - 309 p. illus. 24 cm.
Bibliography: p.258-292.
55011360
Demography.
HB881 / .S68
312 / SPI
Introduction to demography / Mortimer Spiegelman. - Chicago, Society of Actuaries, 1955. - 309 p. illus. 24 cm.
Bibliography: p.258-292.
55011360
Demography.
HB881 / .S68
312 / SPI