000 00411nam a2200145Ia 4500
008 220216s9999 xx 000 0 und d
100 _aHaines W B
245 0 _aNote on the acidity of raw humus in relation to natural covers
260 _bJournal of the Rubber Research Institute of Malaya
_c1933
300 _a14-21
650 _aNatural cover
650 _aRaw humus
700 _aPillay K S
942 _cJS
999 _c64051
_d64051