000 00507nam a2200193Ia 4500
008 230524s9999 xx 000 0 und d
040 _cUDSM
050 _aERB PAM S599.5.A1H37
100 1 _aHartmans, E. H.
_eAuthor
245 1 0 _aLand development and management in tropical Africa
260 _aIbadan:
_bIITA,
_c1981.
300 _a21p.:
_c30cm.
650 1 _aSoils
650 1 _aAfrica
650 1 _aSub-Saharan
650 1 _aClearing of Land
650 1 _aCropping systems
942 _2lcc
_cPAM
_n0
999 _c64054
_d64054