.245
a	Sociologie ontwikelling en methode.
h	Book
.100
a	Haan J. Bierens
.005
a	00000000000000
.260
a	Den Haag: Servire, 1946.
b
c	2000
.084
a	YM Ros
.300
a	143 hlm.
b	17 cm.
c	143 hlm.; 17 cm.
.336
a	Book