TY  - JOUR
A1  - McNeil, Donald R.
A1  - Trullell, T. Jamel
A1  - Turner, John C.
T1  - Spline interpolation of demographic oata
Y1  - 1977
DO  - 10.2307/2060581
JF  - Demography
VL  - 14
IS  - 2
SP  - 245
EP  - -252

ER  -