000 00403pam a2200157a 44500
008 230515b1980 xxu||||| |||| 00| 0 eng d
020 _aNULL
041 _aENGL
082 _a503.21 /AAR/APT
100 _aMCGRAWHILL BOOK CO. COMPANY
245 _aMCGRAW-HILL ENCYCLOPEDIA OF SCIENCE & TECHNOLOGY VOL-I AAR-APT
250 _a6
260 _aNULL
_bMc. G
_c1980
300 _a690 HB
650 _aNULL
999 _c619896
_d619896