| 000 | 00416nam a2200133 4500 | ||
|---|---|---|---|
| 245 |
_aEcology of water weeds in the neotropics _cedited by D.S.Mitchell and P.A.Thomas |
||
| 710 | _aMitchell ,D.S. | ||
| 710 | _aThomas,P.A. | ||
| 260 |
_aParis _bUNESCO _c1972 |
||
| 300 | _a50p.; 27cm.- | ||
| 490 | _aTechnical papers in hydrology;no.12 | ||
| 500 | _aA contribution to the International Decade | ||
| 082 |
_a581.5263 _bECO |
||
| 999 |
_c33273 _d33273 |
||