000 00490nam a22001817a 4500
003 OSt
005 20221006165336.0
008 221006b |||||||| |||| 00| 0 eng d
020 _a0335063713
040 _cAAMUSTED-MS
050 _aS600
_b.F68 1978
100 _aWalpole, P.
245 _aFood production systems:
_bcrops and their environment, unit 3
260 _aMilton Keynes
_bThe Open University Press
_c1978
300 _a48p.
_billus.
700 _aWalpole, Paul
942 _2lcc
_cBK
999 _c6848
_d6848