@inproceedings{2012IAUS..283..346D, title = {Estimating the binary fraction of planetary nebulae central stars}, author = {{Douchin}, D. and {De Marco}, O. and {Frew}, D.~J. and {Jacoby}, G.~H. and {Passy}, J.-C. and {Hillwig}, T. and {Howell}, S.~B. and {Bond}, H. and {Peyaud}, A. and {Zijlstra}, A. and {Napiwotzki}, R. and {Jasniewicz}, G. and {Parker}, Q.}, booktitle = {IAU Symposium}, volume = {283}, pages = {346-347}, series = {IAU Symposium}, year = {2012}, doi = {10.1017/S1743921312011350}, eprint = {1110.4192} }