| 000 | 00326 am a2200121 a 4500 | ||
|---|---|---|---|
| 100 | 1 | _aBuckell, E.R., Venables, E.P. | |
| 245 | 1 | _aBlister mite of apple and pear | |
| 260 |
_aOttawa _c1927 |
||
| 300 | _a1-4 p. | ||
| 942 |
_2udc _cB |
||
| 440 | _aApple. Pear Canada Department of Agriculture. Circular No. 52 | ||
| 901 | _aS46481 | ||
| 999 |
_c102081 _d102081 |
||