TY - `BOOK` TI - Theoretical foundations PB - Mouton CY - The Hague PY - 1966 LA - eng SE - XI, 537 S. CN - 67 B 2707::3 CN - <DE> Sa 247::3 CN - S AD 65-3 CN - <PI> 128 Seb 2 CN - <SL> S 400::3 AN - UBHD-1109876 ER -