000 00338nam a2200157Ia 4500
082 _a339.461
_bEi36.DF
100 _aFizenga, W.
245 _aDemographic factors and savings
_b
260 _aAmsterdam
_bNorth-Holland
_c1961
300 _ax, 107p.
500 _a
690 _a
700 _a
964 _a
_b
_c
_d
_e
_f
_g
921 _a7315
999 _c7315
_d7315