000 00342pam a2200157a 44500
008 230515b1992 xxu||||| |||| 00| 0 eng d
020 _aNULL
041 _aENGL
082 _a515 / AYR
100 _aFRANK AYRES
245 _aCALCULUS IN SI UNITS
250 _aN.D.
260 _aNULL
_bMc. G
_c1992
300 _a484 PB
650 _aNULL
999 _c628779
_d628779