@article{NUMA_1973__21_132224,
     author = {D.B. Hunter},
     title = {The {Numerical} {Evaluation} of {Cauchy} {Principal} {Values} of {Integrals} by {Romberg-Integration.}},
     journal = {Numerische Mathematik},
     pages = {185--192},
     publisher = {mathdoc},
     volume = {21},
     year = {1973},
     zbl = {0265.65016},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1973__21_132224/}
}