000 00452cam a2200193ua 4500
020 _c$ 39.00
041 _aeng
_h
082 _a630.28
_bBRI/AG
100 _aBriggs, David J.
245 0 0 _aAgriculture and environment
250 _a1 /
_b.
260 _aLondon :
_bLongman Group Limited ,
_c1985.
300 _a442 ; .
365 _a$ 39.00
504 _a
700 1 _aCourtney, Frank M .
942 _cBK
999 _c255549
_d255549