000 00532cam a2200193 4500
001 0844404756
020 _a9780844411934
035 _a(Sirsi) 0844404756
060 _aZ 696.U5L
110 2 _aLibrary of Congress.
_bSubject Cataloging Division.
245 0 0 _aClassification, Class L, education.
250 _a2008 ed.
260 _aWashington :
_bLibrary of Congress,
_c2008.
300 _a419 p.
596 _a4
650 0 2 _aBook classification.
008 860602s2008 eng
942 _2NLM
_cMONOGRAPH
999 _c3758
_d3758