TY - BOOK ID - 140538501 TI - Practical measurement for improving efficiency : proceedings of the congress, 10th to the 14th May 1976, London PY - 1977 PB - Amsterdam, New York, Oxford North-Holland DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:140538501 AB - ER -