000 00478nam a2200181Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a551.7
_bK21
245 _aConcepts and methods of biostratigraphy
260 _aStrodsburg, Pennsylvania
_bHutchinson and Ross
_c1977
300 _axiii,658p.
650 _aBiostratigraphy
650 _aGeology
700 _aHazel J E
_4ed.
700 _aKauffman E G
_4ed.
942 _cBK
999 _c72596
_d72596