000 00286nam a2200121Ia 4500
250 _a17th ed
942 _cBK
654 _a
245 _aElementary perspective
_bTheory and practice
260 _aLondon
_bBailliere, Tindall & Cox
_c1922
082 _a515.6
300 _bHb
_c18.3CM
_a60
999 _c397277
_d397277
041 _aeng