000 00354nam a2200157Ia 4500
001 6503
008 240324s9999 xx 000 0 eng
020 _a0582523273
082 _a428.24
_bA L P
100 _aL. G. Alexander
245 0 _aPractical and progress
250 _a2
260 _aLondon
_bLongman
_c1967
300 _a118
999 _c7095
_d7095