000 003320000a22001570004500
001 000153
003 MACL
040 _aMACL
090 _c153
_d153
100 _aRoy, Navkala
245 _aHow It work
_bThe Clock
_cNavkala Roy
260 _aA CBT Publications,
_c1988
350 _a10
650 _aTechnology
942 _k681
_cBook
999 _c49460
_d49460