00485nas a2200073   4500008003900000245026000039210006900299856004300368       1971                          d00aBELL, K. and DOYLE, R.J. 1971. K-Rb relationships in some continental alkalic rocks associated with the East African rift valley system. Geochimica et Cosmochimica Acta, 35: 903-15.BELL, K. and POWELL, J.L. 1969. Strontium isotopic studies of alkalic rock0 aBELL K and DOYLE RJ 1971 KRb relationships in some continental a  uhttps://alkcarb.myrocks.info/node/7626