TY  - JOUR
A1  - McPherson, J.M.
T1  - Hypernetwork sampling: Duality and differentiation among voluntary organizations
Y1  - 1982
DO  - 10.1016/0378-8733(82)90001-6
JF  - Social Networks
VL  - 3
IS  - 4
SP  - 225
EP  - -249

ER  -