000 00340nam a2200133Ia 4500
008 211214s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aLang, R
245 0 _aLaboratory and workshop notes 1950-1952
260 _aLONDON
_c1937
300 _aX, 247p p.
653 _aNATURAL SCI
942 _c1
999 _c52623
_d52623