1. BAKER, H.L., CAMPBELL, J.K. HOUSER, O.W., REESE, D.F., SHEEDY, P.F., HOLMAN, C.B.:Computer assisted tomography of the head, a nearly evaluation. Mayo Clin. Proc. 49, 17 (1974).
2. KAZNER, E., LANKSCH, W., STEINHOFF, H., WILSKE, J.:Die axiale Computer-Tomographie des Gehirnschädels. Stuttgart: Thieme 1975.
3. KRAMER, R.A., JANETOS, G.P., PERLSTEIN, G.: An approach to contrast enhancement in computed tomography of the brain. Radiology 116, 641 (1975).
4. NEW, P.F.J., SCOTT, W.R., SCHNOR, J.A., DAVIS, K.R., TAVERAS, J.M., HOCHBERG, F.H.: Computed tomography with the EMI scanner in the diagnosis of primary and metastatic intracranial neoplasms. Radiology 114, 75 (1975).