TY - BOOK AU - Tomberg, Alex TI - Data bases in Europe : a directory to machine-readable data bases and data banks in Europe PB - Aslib PY - 1976 T2 - European user series VL - 1 EP - v, 58 p. UR - http://ci.nii.ac.jp/ncid/BA03426975 SN - 0851420893 ER -