Improved particle filter for nonlinear problems J Carpenter, P Clifford, P Fearnhead IEE Proceedings-Radar, Sonar and Navigation 146 (1), 2-7, 1999 | 1390 | 1999 |

Markov fields on finite graphs and lattices JM Hammersley, P Clifford Unpublished manuscript 46, 1971 | 1230 | 1971 |

A model for spatial conflict P Clifford, A Sudbury Biometrika 60 (3), 581-588, 1973 | 974 | 1973 |

Modifying the t test for assessing the correlation between two spatial processes P Dutilleul, P Clifford, S Richardson, D Hemon Biometrics, 305-314, 1993 | 863 | 1993 |

Assessing the significance of the correlation between two spatial processes P Clifford, S Richardson, D Hemon Biometrics, 123-134, 1989 | 555 | 1989 |

Generalized monte carlo significance tests J Besag, P Clifford Biometrika 76 (4), 633-642, 1989 | 346 | 1989 |

Markov random fields in statistics P Clifford Disorder in physical systems: A volume in honour of John M. Hammersley, 19-32, 1990 | 332 | 1990 |

Sequential Monte Carlo *p*-valuesJ Besag, P Clifford Biometrika 78 (2), 301-304, 1991 | 249 | 1991 |

On‐line inference for hidden Markov models via particle filters P Fearnhead, P Clifford Journal of the Royal Statistical Society: Series B (Statistical Methodology …, 2003 | 246 | 2003 |

Stochastic modeling of fast kinetics in a radiation track NJB Green, MJ Pilling, SM Pimblott, P Clifford Journal of Physical Chemistry 94 (1), 251-258, 1990 | 124 | 1990 |

Class inequalities in education in the twentieth century AF Heath, P Clifford Journal of the Royal Statistical Society: Series A (Statistics in Society …, 1990 | 117 | 1990 |

The political consequences of social mobility P Clifford, AF Heath Journal of the Royal Statistical Society: Series A (Statistics in Society …, 1993 | 97 | 1993 |

Simple deterministic wildcard matching P Clifford, R Clifford Information Processing Letters 101 (2), 53-54, 2007 | 87 | 2007 |

Building robust simulation-based filters for evolving data sets J Carpenter, P Clifford, P Fearnhead Tech-nical report, University of Oxford, Dept. of Statistics, 114, 1999 | 86 | 1999 |

Stochastic model based on pair distribution functions for reaction in a radiation-induced spur containing one type of radical P Clifford, NJB Green, MJ Pilling The Journal of Physical Chemistry 86 (8), 1318-1321, 1982 | 84 | 1982 |

Stochastic models of multi-species kinetics in radiation-induced spurs P Clifford, NJB Green, MJ Oldfield, MJ Pilling, SM Pimblott Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry …, 1986 | 82 | 1986 |

The classical complexity of boson sampling P Clifford, R Clifford Proceedings of the Twenty-Ninth Annual ACM-SIAM Symposium on Discrete …, 2018 | 73 | 2018 |

Testing the association between two spatial processes P Clifford, S Richardson Statistics and Decisions 2 (Supp. issue), 155-160, 1985 | 67 | 1985 |

DISCUSSION ON THE MEETING ON THE GIBBS SAMPLER AND OTHER MARKOV CHAIN-MONTE CARLO METHODS P Clifford, C Jennison, J Wakefield, D Phillips, A Frigessi, AJ Gray, ... J ROY STAT SOC B MET 55 (1), 53-102, 1993 | 64 | 1993 |

Stochastic models of diffusion-controlled ionic reactions in radiation-induced spurs. 1. High-permittivity solvents P Clifford, NJB Green, MJ Pilling, SM Pimblott Journal of Physical Chemistry 91 (16), 4417-4422, 1987 | 60 | 1987 |