TY - BOOK ID - 126609036 TI - Itself an education: six lectures on classification. Two steps forward ... AU - Palmer, Bryan Douglas AU - Austin, Derek William PY - 1971 SN - 9780853654346 0853654344 PB - London: Library association, DB - UniCat KW - Classification UR - https://www.unicat.be/uniCat?func=search&query=sysid:126609036 AB - ER -