00359nam a2200133 a 450000500170000010000170001724500400003426000310007430000170010596400160012299700180013899900170015695200520017320251203110236.0 aKathal, P.K. aMicrofossils and Their Applications aNew DelhibCBS Pub.,c1998 aV, 145p.cPB bcdefg_ a90011 LIBSC C c82898d82898 00104070aPUbPUd2001-01-22l0o p90011yBK