@article{AnheierSalamon, author = {Anheier, Helmut K. and Salamon, Lester M.}, title = {En busca del sector no lucrativo I: La cuestion de las deficiones}, series = {Umbral XXI: El desafio del tercer sector; accion voluntaria y desarrollo social}, volume = {21}, journal = {Umbral XXI: El desafio del tercer sector; accion voluntaria y desarrollo social}, number = {Special Issue}, publisher = {Universidad Iberoamericana}, address = {Mexico City}, issn = {0188-1981}, pages = {7 -- 26}, language = {es} }