@article {Podinovski_2017, title = {Nonparametric Production Technologies with Multiple Component Processes}, journal = {Operations Research}, year = {2017}, month = {nov}, pages = {1{\textendash}19}, publisher = {Institute for Operations Research and the Management Sciences ({INFORMS})}, doi = {10.1287/opre.2017.1667}, url = {https://doi.org/10.1287\%2Fopre.2017.1667}, author = {Victor V. Podinovski and Ole Bent Olesen and Cl{\'a}udia Sarrico} }