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| 020 | _a9251001650 | ||
| 037 | _cGeneral Book | ||
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_aRTL _cRTL _beng |
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| 041 |
_2eng _aeng |
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| 082 | _aX9(D2), L7 | ||
| 100 |
_aKraatz D B _9335415 |
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| 245 | 0 | _aIrrigation canal lining | |
| 260 |
_aRome _bFood and Agriculture Organization _c1977 |
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| 300 |
_a199p. Bib 189-99 _ccm. |
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| 490 | _aFood And Agriculture Organization Series . 4 | ||
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_aEngineering _92968 |
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| 942 |
_hX9(D2), L7 _cGB _2CC |
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| 999 |
_c651951 _d651951 |
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