"pritchard, d c. "
lighting: / d.c. pritchard - 6 ed. - uk : longman 1999. - ", 264p.; 24 cm."
0-582-35799-3
lighting
621. 322 pri
lighting: / d.c. pritchard - 6 ed. - uk : longman 1999. - ", 264p.; 24 cm."
0-582-35799-3
lighting
621. 322 pri