Improved Lagrangean decomposition: An application to the generalized assignment problem P Barcia, K Jörnsten European Journal of Operational Research 46 (1), 84-92, 1990 | 43 | 1990 |

Tracing the flows of electricity P Barcia, R Pestana International Journal of Electrical Power & Energy Systems 32 (4), 329-332, 2010 | 20 | 2010 |

The bound improving sequence algorithm P Barcia Operations research letters 4 (1), 27-30, 1985 | 20 | 1985 |

Constructive dual methods for discrete programming P Barcia Discrete applied mathematics 18 (2), 107-117, 1987 | 17 | 1987 |

Stable isotopes as ecological tracers: an efficient method for assessing the contribution of multiple sources to mixtures MN Bugalho, P Barcia, MC Caldeira, JO Cerdeira Biogeosciences 5 (5), 1351-1359, 2008 | 15 | 2008 |

Determining cutting stock patternswhen defects are present R Aboudi, P Barcia Annals of Operations Research 82, 343-354, 1998 | 15 | 1998 |

A revised bound improvement sequence algorithm P Barcia, S Holm European journal of operational research 36 (2), 202-206, 1988 | 14 | 1988 |

Using n-alkanes to estimate diet composition of herbivores: a novel mathematical approach P Barcia, MN Bugalho, ML Campagnolo, JO Cerdeira animal 1 (1), 141-149, 2007 | 11 | 2007 |

Node packings on cocomparability graphs P Barcia, JO Cerdeira Operations Research Letters 31 (5), 341-342, 2003 | 6 | 2003 |

Matroidal relaxations for 0–1 knapsack problems L Amado, P Barcia Operations research letters 14 (3), 147-152, 1993 | 6 | 1993 |

A decision support system (DSS) for power generation LV Tavares, V Vieira, P Bárcia European journal of operational research 25 (3), 373-394, 1986 | 6 | 1986 |

The k-track assignment problem on partial orders P Barcia, JO Cerdeira Journal of Scheduling 8 (2), 135-143, 2005 | 5 | 2005 |

New polynomial bounds for matroidal knapsacks L Amado, P Barcia European journal of operational research 95 (1), 201-210, 1996 | 5 | 1996 |

When is a 0-1 knapsack a matroid? JO Cerdeira, P Barcia Portugaliae Mathematica 52 (4), 475-480, 1995 | 4 | 1995 |

Métodos de reforço do dual em programaçăo inteira P Bárcia | 4 | 1985 |

Ordered matroids and regular independence systems JO Cerdeira, P Barcia Discrete Mathematics 154 (1-3), 255-261, 1996 | 2 | 1996 |

Improving Lagrangean decomposition: Some theoretical results P Bárcia Nova SBE, 1988 | 1 | 1988 |

Bound Improving Sequences: A Tool for Discrete Programming P Bárcia Nova SBE, 1984 | 1 | 1984 |

generalize the previous theory for the case of non-linear discrete P Bárcia, JD Coelho Algorithms and Model Formulations in Mathematical Programming 51, 144, 2012 | | 2012 |

-Colour Partitions of Acyclic Tournaments P Barcia, JO Cerdeira the electronic journal of combinatorics, R5-R5, 2005 | | 2005 |