Pritchard, D.C.
Lighting D.C. Pritchard - \\ 6th ed. - London Longman 1969 - 265p.: ills., tables
Bibliography p. 255-257
582357993
Lighting D.C. Pritchard - \\ 6th ed. - London Longman 1969 - 265p.: ills., tables
Bibliography p. 255-257
582357993