TY  - BOOK
AU  - Basset,W.H.
AU  - Clay, Henry Hurrel,1882.
TI  - Clay's handbook of enviromental health / 
SN  - 0419229604
U1  - 614.4 CLA 
PY  - 1999///
CY  - London : 
PB  - E & FN SPON, 
KW  - Sanitation
KW  - Environmental health
N1  -  Includes bibliographical references and index
ER  -