000 | 00332nam a22001097a 4500 | ||
---|---|---|---|
082 | _a666.94 PON | ||
100 | _aG.Ponnamperuma | ||
245 | _aPortland Cement and Other Materials | ||
260 |
_aLondon _bImperial College of Science and Technology _c1949 |
||
650 |
_aScience and Technology _aPortland Cement and Other Materials |
||
942 | _cREF | ||
999 |
_c3674 _d3674 |