| 000 | 01134cab a2200313 4500 | ||
|---|---|---|---|
| 001 | ABS59612 | ||
| 008 | 090401t1998 xxu||||| |||| 00| 0 eng d | ||
| 035 | _a(Sirsi) u89935 | ||
| 041 | _aeng | ||
| 100 | _aYoung, M.E. | ||
| 245 | _aAlgal and lichen growth following chemical stone cleaning | ||
| 260 | _c1998 | ||
| 350 | _a0 | ||
| 490 |
_aJournal of Architectural Conservation _v4(3) November 1998, 48-58(11) |
||
| 520 | _aDiscusses the results of a study into the growth of algae and lichens on samples of chemically-cleaned sandstones over a period of five years, which indicated that phosphate-bearing chemical cleaning methods should be used with caution on porous stone types in situationss where biological growths could cause problems. | ||
| 650 | _aALGAE | ||
| 650 | _aALGAL GROWTH | ||
| 650 | _aBUILDING FACADES | ||
| 650 | _aCHEMICAL CLEANING METHODS | ||
| 650 | _aDAMAGE | ||
| 650 | _aLICHENS | ||
| 650 | _aPOROUS | ||
| 650 | _aRESIDUAL PHOSPHATE | ||
| 650 | _aSANDSTONE | ||
| 650 | _aSOILING | ||
| 690 | _aBUILDING AND CONSTRUCTION-REPAIRS AND MAINTENANCE | ||
| 942 | _n0 | ||
| 948 | _c25/11/1998 | ||
| 999 |
_c56943 _d56943 |
||