TY - BOOK ID - 6662087 TI - Labora diligenter PY - 1999 VL - 29 SN - 03410765 SN - 3515076026 9783515076029 PB - Stuttgart Steiner DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:6662087 AB - ER -