000 00458nam a22001457a 4500
008 230329b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _a661.871
_bL6
245 _aManganese dioxide:
_bA market survey
_c/ Minieral economics division
260 _aNagpur:
_bMinieral economics division,
_c1976
300 _a38p.
650 _aChemical Technology
653 _aManganese
942 _2udc
_cREF
999 _c16466
_d16466