| 000 | 00377pam a2200145a 44500 | ||
|---|---|---|---|
| 082 |
_a552.57 _bC13 |
||
| 100 | _aCalvert, Robert Peyton | ||
| 245 | 1 | _aDIATOMACEOUS EARTH | |
| 260 |
_aN. Y. _bChemical Catalog _cc1930 |
||
| 300 | _a251 | ||
| 440 |
_aAmerican Chemical Society Monograph Series _vNo. 52 |
||
| 650 | _aDiatomaceous Earth | ||
| 964 | _gCIRC | ||
| 997 | _aK13094 C | ||
| 999 |
_c381563 _d381563 |
||