Intrinsic safety of optical fibres in combustible environmentsHILLS, P. C.Electronics Letters. 1990, Vol 26, Num 23, pp 1982-1983, issn 0013-5194Article

Knowledge based industrial designAZAM, M. A; HILLS, P. C; BLOUNT, G. N et al.Schriftenreihe WDK. 1997, pp 231-234, isbn 951-722-788-4, 3VolConference Paper

The ignition of single pulverized coal particles : minimum laser power requiredDONG-KE ZHANG; WALL, T. F; HILLS, P. C et al.Fuel (Guildford). 1994, Vol 73, Num 5, pp 647-655, issn 0016-2361Article

The ignition of coal particles and explosions in surrounding combustible gases during heating by laser irradiationDONG-KE ZHANG; HILLS, P. C; WALL, T. F et al.Fuel (Guildford). 1992, Vol 71, Num 10, pp 1206-1207, issn 0016-2361Article

Laser ignition of combustible gases by radiative heating of small particlesHILLS, P. C; ZHANG, D. K; SAMSON, P. J et al.Combustion and flame. 1992, Vol 91, Num 3-4, pp 399-412, issn 0010-2180Article

Dose-area product measurements during barium enema radiograph examinations: A Western Cape studyENGEL-HILLS, P. C; HERING, E. R.SAMJ. South African medical journal. 2001, Vol 91, Num 8, pp 693-696, issn 0256-9574Article