@article{3937431, author = {Bertrand, Maurice}, url = {http://digitallibrary.un.org/record/3937431}, title = {Report on the overhead costs of extra-budgetary programmes and on methods of measuring performance and costs /}, publisher = {UN,}, recid = {3937431}, pages = {24 p.}, address = {Geneva :. 1969-01}, year = {1969}, month = {Jan}, }