TY - BOOK ID - 135222710 TI - The Balfour lectures on realism AU - Pringle-Pattisson, A. Seth AU - Barbour, G. F. PY - 1933 PB - Edinburgh Blackwood DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:135222710 AB - ER -