TY - BOOK ID - 129264784 TI - University extension : has it a future? AU - Mackinder, Halford John AU - Sadler, Michael PY - 1890 PB - London : Frowde, DB - UniCat KW - University extension. UR - https://www.unicat.be/uniCat?func=search&query=sysid:129264784 AB - ER -