000 00403nam a2200157Ia 4500
008 180612s9999||||xx |||||||||||||| ||und||
020 _a835945502
041 _aen
082 _a630.68
100 _aOSBURN,Donald D
245 0 _aModern Agricultural Man gement: A Systerms approach to farming
250 _a2nd ed.
260 _aVirginia
_bVeston pub co
_c1986
300 _a(xiii),416
942 _cPR
999 _c39851
_d39851