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| 008 | 161018s9999 xx 000 0 und d | ||
| 100 |
_aKeerthinarayana And Yesudian,D _99899 |
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| 245 | _aPrinciples Of Environmental Science Engineering | ||
| 250 | _a0Ed | ||
| 260 | _bHi-Tech Publications | ||
| 300 |
_a103p. _bRs:140 |
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| 490 | _a4965 | ||
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_c4965 _d4965 |
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