000 00376nam a2200109Ia 4500
008 211214s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aHawkins, R. R. ed.
245 0 _aScientific, Medical and Technical books published in United States of America ..1949-1952
260 _bUnited States of America
_aWashington
_c1953
942 _c1
999 _c32685
_d32685