| 000 | 00405nam a22000977a 4500 | ||
|---|---|---|---|
| 008 | 150910b xxu||||| |||| 00| 0 eng d | ||
| 082 | _a637 MIG | ||
| 100 |
_aMIGHELL ,RONALD, L. _cRONALD ,L MIGHELL AND JOHN ,D,BLACK. |
||
| 245 |
_aINTERREGINAL COMPETION IN AGRICULTURE: _bWITH SPECIAL REFERENCE TO DAIRY FARMING IN THE LAKE STATES AND NEW ENGLAND: |
||
| 260 |
_aMASSACHUSETTS, _bHARVARD UNIVERSITY PRESS: _c1951. |
||
| 999 |
_c2740 _d2740 |
||