000 00236nam a22000977a 4500
008 130321b xxu||||| |||| 00| 0 eng d
050 _aHB171.M39 1958
245 _aECONOMICS AND AGRICULTURE
_cANNE MARTIN
300 _a169
942 _2lcc
_cBK
999 _c1205
_d1205