| 000 | 00399nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 130225s9999 xx 000 0 und d | ||
| 100 | _aBohn, G.W., Whitaker, Thomas W. | ||
| 245 | _aRecently introduced varieties of head lettuce and methods used in their developm | ||
| 260 |
_aWashington _c1951 |
||
| 300 | _a1-27 p. | ||
| 440 | _aUnited States Department of A | ||
| 901 | _a32679 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c6276 _d6276 |
||