TY  - BOOK
AU  - BBC
TI  - Light of the 21st century
U1  - TA/1680 
PY  - 1978///
CY  - London
PB  - BBC Enterprises
KW  - Lasers.
KW  - Lighting.
N1  - Abstracts Traces the development of lasers and discusses their Abstracts Traces the development of las applications in the fields of medicine, dentistry, Abstracts Traces the development of las construction, and communications. Minutes of play 50
ER  -