000 | 00456nam a2200145Ia 4500 | ||
---|---|---|---|
008 | 240806s9999||||xx |||||||||||||| ||und|| | ||
020 | _a9211312043 | ||
040 | _aKenya National Library Service | ||
082 | _a666.94 UNI | ||
100 | _aUnited Nations Centre for Human Settlements | ||
245 | 0 | _aSmall-Scale production of portland cement | |
260 |
_aNairobi _b United Nations Centre for Human Settlement _c1993 |
||
650 | _aPortland Cement | ||
942 | _cBK | ||
999 |
_c231866 _d231866 |