| 000 | 00415cam a22001217a 4500 | ||
|---|---|---|---|
| 008 | 180718b1970 xxu||||| |||| 00| 0 eng d | ||
| 082 | _aX8 W893 | ||
| 100 | _aCassel, John | ||
| 245 |
_aEducation and training of engineers for environmental health _cby john Cassel...[et.al.] |
||
| 260 |
_aGeneva _bWorld Health Organization _c1970 |
||
| 300 | _a152p | ||
| 650 | _aSanitary engineering --Study and teaching --Congresses. | ||
| 999 |
_c413212 _d413212 |
||