The laser torsional vibrometer : A step forward in rotating machinery diagnosticsHALLIWELL, N. A.Journal of sound and vibration. 1996, Vol 190, Num 3, pp 399-418, issn 0022-460XArticle

Cellulolytic enzyme components of the cellulase complex of Clostridium thermocellumHALLIWELL, G; HALLIWELL, N.Biochimica et biophysica acta. 1989, Vol 992, Num 2, pp 223-229, issn 0006-3002Article

Mutation in the PTEN/MMAC1 gene in archival low grade and high grade gliomasDAVIES, M. P. A; GIBBS, F. E. M; HALLIWELL, N et al.British journal of cancer. 1999, Vol 79, Num 9-10, pp 1542-1548, issn 0007-0920Article

Microcrystalline forms of cellulose as substrates for strains of Clostridium thermocellum and cellulase formationHALLIWELL, G; PHILLIPS, T. M; HALLIWELL, N et al.Process biochemistry (1991). 1995, Vol 30, Num 3, pp 243-250, issn 1359-5113Article

Laser vibrometer speckle-noise cancellationWILMSHURST, T. H; HALLIWELL, N. A.Measurement science & technology (Print). 1993, Vol 4, Num 4, pp 479-487, issn 0957-0233Article

Particle image velocimetry: improving fringe signal-to-noise ratio with a two step photographic processPICKERING, C. J. D; HALLIWELL, N. A.Journal of the Optical Society of America. A, Optics and image science. 1985, Vol 2, Num 4, pp 610-615, issn 0740-3232Article

Laser speckle photography and particle image velocimetry: photographic film noisePICKERING, C. D. J; HALLIWELL, N. A.Applied optics. 1984, Vol 23, Num 17, pp 2961-2969, issn 0003-6935Article

Contrast enhancement of pulsed ESPI addition fringesKAUFMANN, G. H; KERR, D; HALLIWELL, N. A et al.Optics and lasers in engineering. 1994, Vol 20, Num 1, pp 25-34, issn 0143-8166Article

Particle image velocimetry : three-dimensional fluid velocity measurements using holographic recording and optical correlationCOUPLAND, J. M; HALLIWELL, N. A.Applied optics. 1992, Vol 31, Num 8, pp 1005-1007, issn 0003-6935Article

Particle image velocimetry: rapid transparency analysis using optical correlationCOUPLAND, J. M; HALLIWELL, N. A.Applied optics. 1988, Vol 27, Num 10, pp 1919-1921, issn 0003-6935Article

Automatic analysis of Young's fringes in speckle photography and particle-image velocimetryPICKERING, C. J. D; HALLIWELL, N. A.Optics and lasers in engineering. 1986, Vol 7, Num 4, pp 227-242, issn 0143-8166Article

Particle-image velocimetry: improving fringe signal-to-noise ratio with a two-step photographic process. IIPICKERING, C. J. D; HALLIWELL, N. A.Journal of the Optical Society of America. A, Optics and image science. 1985, Vol 2, Num 10, pp 1721-1724, issn 0740-3232Article

Vibration measurements on rotating machinery using laser Doppler velocimetryROTHBERG, S. J; HALLIWELL, N. A.Journal of vibration and acoustics. 1994, Vol 116, Num 3, pp 326-331, issn 1048-9002Article

Laser speckle photography: preprocessing of fringe pattern data to improve dynamic rangePICKERING, C. J. D; HALLIWELL, N. A.Journal of Photographic Science. 1985, Vol 33, Num 5, pp 183-186, issn 0022-3638Article

Diesel engine health: laser diagnosticsHALLIWELL, N. A; PULLEN, L; BAKER, J et al.SAE transactions. 1983, Vol 92, Num 3, pp 3.986-3.994, issn 0096-736XArticle

On the measurement of angular vibration displacements : A laser tiltmeterHALLIWELL, N. A; HOCKNELL, A; ROTHBERG, S. J et al.Journal of sound and vibration. 1997, Vol 208, Num 3, pp 497-500, issn 0022-460XArticle

Laser tools for diesel engine diagnosisEASTWOOD, P. G; HALLIWELL, N. A; GILBERT, P et al.Proceedings of the Institution of Mechanical Engineers. Part D, Transport engineering. 1985, Vol 199, Num 4, pp 295-300, issn 0265-1904Article

Speckle photography in fluid flows: signal recovery with two-step processingPICKERING, C. J. D; HALLIWELL, N. A.Applied optics. 1984, Vol 23, Num 8, pp 1128-1129, issn 0003-6935Article

A self-excited system for percussive-rotary drillingBATAKO, A. D; BABITSKY, V. I; HALLIWELL, N. A et al.Journal of sound and vibration. 2003, Vol 259, Num 1, pp 97-118, issn 0022-460X, 22 p.Article

Laser torquemeter : a new instrumentWILMSHURST, T. H; ROTHBERG, S. J; HALLIWELL, N. A et al.Electronics Letters. 1991, Vol 27, Num 2, pp 186-187, issn 0013-5194Article

The laser torsional vibrometer: a new instrumentHALLIWELL, N. A; PICKERING, C. J. D; EASTWOOD, P. G et al.Journal of sound and vibration. 1984, Vol 93, Num 4, pp 588-592, issn 0022-460XArticle

Hand-held percussion machines with low emission of hazardous vibrationSOKOLOV, I. J; BABITSKY, V. I; HALLIWELL, N. A et al.Journal of sound and vibration. 2007, Vol 306, Num 1-2, pp 59-73, issn 0022-460X, 15 p.Article

The laser vibrometer: a portable instrumentPICKERING, C. J. D; HALLIWELL, N. A; WILMSHURST, T. H et al.Journal of sound and vibration. 1986, Vol 107, Num 3, pp 471-485, issn 0022-460XArticle

Particle image velocimetry: automatic fringe analysis by cross-correlationKIRITA, A; PICKERING, C. J. D; HALLIWELL, N. A et al.Optical engineering (Bellingham. Print). 1988, Vol 27, Num 3, pp 188-192, issn 0091-3286Article

Modelling of vibro-impact penetration of self-exciting percussive-rotary drill bitBATAKO, A. D; BABITSKY, V. I; HALLIWELL, N. A et al.Journal of sound and vibration. 2004, Vol 271, Num 1-2, pp 209-225, issn 0022-460X, 17 p.Article