000 00291nam a2200109Ia 4500
008 211215s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aBeardsly, M.C.
245 0 _aThinking Straight.
260 _bPrentice-Hall
_aNew Jersey.
_c1957
942 _c1
999 _c42690
_d42690