TY  - BOOK
AU  - World Health Organization
TI  - IPCS (Environmental health criteria no - 023): Lasers and optical radiation
SN  - 92-4-154083-4
U1  - 535.2 
PY  - 1982///
CY  - Geneva
PB  - UNEP and World Health Organization
KW  - IPCS
KW  - Light -- Optics
N1  - Gift; IPCS, radiation safety, optical hazards
ER  -