International Symposium on Energy & Technology Today and Tomorrow, ETT '88, Zagreb, october, 3-6, 1988 : symposium proceedings : zbornik radova - Zekić, Zorislav; Dragićević, Slobodan; Krajcar, Slavko; Morvaj, Zoran; Bulkai, Denes; Lengyel, Laszlo; Clarke, J. A.; Emslie, S.; Hulscher, W. S.; Wagner, H. J.; Walbeck, M.; Okorokov, V.; et al. (s. n., 1988)