000 00448nam a2200181Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a551
_bJ46
100 _aJeffreys Harold
245 _aEarth
_bits origin, history and physical constitution
250 _a2nd
260 _aNew York
_bMacmillan
_c1929
300 _aix,346p.
650 _aEarth science
650 _aGeology
942 _cBK
999 _c103414
_d103414