00416nam a2200157   450000100060000000300030000600500170000900800410002603500190006703500180008605000200010410000210012424500650014525000110021026000370022119286UR20220427164431.0061103|||||||||||||||||||||||||||||||| d  a(janium) 19275  a(janium)19274 4aQE501b.J4 19761 aJeffreys, Harold10aEarth, theb : its origin history and physical constitutions  a6a ed.  bCambridge University Pressc1976