000 00559nam a2200205Ia 4500
008 150909s9999 xx 000 0 und d
041 _aEnglish
082 _bOEL/OR
100 _aOelhaf R C
100 _eAuthor
245 _aOrganic agriculture: economic and ecological comparison with conventional methods
260 _aNew Jersey
260 _balleheld Osmun ands Co Publishers
260 _c1978
300 _a271 Pages
365 _aRs .18 .00
650 _aagricultural economics
650 _aOrganic farming
942 _cBK
999 _c249271
_d249271