000 00568nam a2200217 4500
001 2058
003 KEPU
005 20130515015542.0
008 111112s9999 xx 000 0 und d
020 _ahard cover
040 _cDLC
050 _aLB1025
_b.R93 1957
100 1 _a"ryburn, w m. "
245 1 0 _athe principles of teaching:
_b/
_c w.m. ryburn
250 _a3 ed.
260 _ausa :
_buniversity press
_c1957.
300 _a"xxx, 244p.;
_c19 cm."
490 0 _ay
504 _aincludes bibliography
942 _2lcc
_cBK
_hLB1025.R93 1957
999 _c51964
_d51964