Bilevel and multilevel programming: A bibliography review LN Vicente, PH Calamai Journal of Global optimization 5 (3), 291-306, 1994 | 695 | 1994 |

Projected gradient methods for linearly constrained problems PH Calamai, JJ Moré Mathematical programming 39 (1), 93-116, 1987 | 617 | 1987 |

A multi-objective optimization approach to urban school bus routing: Formulation and solution method R Bowerman, B Hall, P Calamai Transportation Research Part A: Policy and Practice 29 (2), 107-123, 1995 | 282 | 1995 |

Application of genetic algorithms to the design optimization of an active vehicle suspension system AE Baumal, JJ McPhee, PH Calamai Computer methods in applied mechanics and engineering 163 (1-4), 87-94, 1998 | 232 | 1998 |

Exchange strategies for multiple ant colony system I Ellabib, P Calamai, O Basir Information Sciences 177 (5), 1248-1264, 2007 | 206 | 2007 |

Real-time optimization model for dynamic scheduling of transit operations L Fu, Q Liu, P Calamai Transportation research record 1857 (1), 48-55, 2003 | 179 | 2003 |

A projection method for*l*_{p} norm location-allocation problemsI Bongartz, PH Calamai, AR Conn Mathematical programming 66 (1-3), 283-312, 1994 | 105 | 1994 |

Numerical simulation of a turbulent flow near a right-angled corner using the Speziale non-linear model with RNG k–ε equations G Mompean Computers & Fluids 27 (7), 847-859, 1998 | 83 | 1998 |

Generating quadratic bilevel programming test problems PH Calamai, LN Vicente ACM Transactions on Mathematical Software (TOMS) 20 (1), 103-119, 1994 | 76 | 1994 |

Generating quadratic bilevel programming test problems PH Calamai, LN Vicente ACM Transactions on Mathematical Software (TOMS) 20 (1), 103-119, 1994 | 75 | 1994 |

A stable algorithm for solving the multifacility location problem involving Euclidean distances PH Calamai, AR Conn SIAM Journal on Scientific and Statistical Computing 1 (4), 512-526, 1980 | 71 | 1980 |

A projected newton method for*l*_{p} norm location problemsPH Calamai, AR Conn Mathematical Programming 38 (1), 75-109, 1987 | 67 | 1987 |

Forest structure optimization using evolutionary programming and landscape ecology metrics HD Venema, PH Calamai, P Fieguth European Journal of Operational Research 164 (2), 423-439, 2005 | 60 | 2005 |

The spacefilling curve with optimal partitioning heuristic for the vehicle routing problem RL Bowerman, PH Calamai, GB Hall European Journal of Operational Research 76 (1), 128-142, 1994 | 60 | 1994 |

Generating linear and linear-quadratic bilevel programming problems PH Calamai, LN Vicente SIAM Journal on Scientific Computing 14 (4), 770-782, 1993 | 53 | 1993 |

Quasi-Newton updates with bounds PH Calamai, JJ Moré SIAM journal on numerical analysis 24 (6), 1434-1441, 1987 | 49 | 1987 |

Quasi-Newton updates with bounds PH Calamai, JJ Moré SIAM journal on numerical analysis 24 (6), 1434-1441, 1987 | 49 | 1987 |

A second-order method for solving the continuous multifacility location problem PH Calamai, AR Conn Numerical Analysis, 1-25, 1982 | 44 | 1982 |

An experimental study of a simple ant colony system for the vehicle routing problem with time windows I Ellabib, OA Basir, P Calamai International Workshop on Ant Algorithms, 53-64, 2002 | 36 | 2002 |

Analysing forest fragmentation using spatial autocorrelation, graphs and GIS SA Roberts, GB Hall, PH Calamai International Journal of Geographical Information Science 14 (2), 185-204, 2000 | 36 | 2000 |