| 000 | 00845nam a2200265Ia 4500 | ||
|---|---|---|---|
| 001 | Para_4807 | ||
| 003 | CHAP | ||
| 008 | 220125s1920 xx 000 0 und d | ||
| 010 | _a203248 | ||
| 040 | _cCHAP | ||
| 090 | _aPA FOLLETO 2209 | ||
| 100 |
_aRamser, C. E. _994535 |
||
| 245 |
_aThe flow of water in dredged drainage ditches : _b the results of experiments to determine the roughness coefficient, n, in Kutter's formula / _c C. E. Ramser |
||
| 260 |
_aWashington : _b Department of Agriculture |
||
| 300 | _a60 p. | ||
| 440 |
_aEUA. Department of Agriculture Bull.; 832 _9168934 |
||
| 650 |
_aDrenaje _x Modelos matemáticos _934204 |
||
| 901 | _aPA FOLLETO 2209 | ||
| 902 | _aA | ||
| 905 | _a0000001920 WASa 0000000000 00 | ||
| 910 | _a1920 | ||
| 942 | _cPARA | ||
| 942 |
_cPARA _d1 |
||
| 999 |
_c203248 _d203248 |
||