000 00360nam a2200133Ia 4500
008 211214s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aBlock, R J
245 0 _aPaper chromatography a laboratory manual
260 _bACADEMIC PRESS
_aNEW YORK
_c1952
300 _aX, 193p p.
653 _aCHEMISTRY
942 _c1
999 _c36005
_d36005