TY  - JOUR
T1  - Putting the puzzle together: Why people join public interest groups
AU  - Rothenberg, Lawrence S.
PY  - 1989
DO  - 10.1007/BF00159396
SP  - 241
EP  - 257
JO  - Public Choice
VL  - 60
IS  - 3
SN  - 0048-5829
ER  -