| 000 | 00403nam a2200121Ia 4500 | ||
|---|---|---|---|
| 008 | 130225s9999 xx 000 0 und d | ||
| 100 | _aPennsylvania Agricultural Experiment Station | ||
| 245 | _aSeptic tanks, design, construction, maintenance | ||
| 260 |
_aPennsylvania _bPennsylvania Agricultural Experiment Station _c1954 |
||
| 440 | _aNo. 17; Pennsylvania Agricult | ||
| 901 | _a42565 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c7986 _d7986 |
||