| 000 | 00361pam a2200157a 44500 | ||
|---|---|---|---|
| 008 | 230515b1980 xxu||||| |||| 00| 0 eng d | ||
| 020 | _aNULL | ||
| 041 | _aENGL | ||
| 082 | _a551.48/CBO | ||
| 100 | _aCBOIAP | ||
| 245 | _aHYDROLOGICAL OBSERVATIONS WITH ILLUSTRATION | ||
| 250 | _aN.D. | ||
| 260 |
_aNULL _bT.M.H _c1980 |
||
| 300 | _a254 PB | ||
| 650 | _aNULL | ||
| 999 |
_c624749 _d624749 |
||