000 00274nam a2200109Ia 4500
008 220201s1961 xx 000 0 eng d
100 _aLAWDEN D F
245 0 _aMATHEMATICS OF ENGINEERING SYSTEMS
260 _aENGLAND
_bUNIVERSITY PRESS
_c1961
300 _a404
942 _2ddc
999 _c89539
_d89539