000 003320000a22001570004500
999 _c3807
_d3807
003 KDUcat
008 170313b xxu||||| |||| 00| 0 eng d
041 _aEnglish
082 _a500
_bM11
100 _aO'Brien, Robert
_920566
700 _aGeorge
_920567
700 _aO'Brien,Robet
_920568
245 _aMechines
250 _a2nd ed.
260 _aHong Kong
_bTime-Life Books
_c1989
300 _a200 p.
440 _aLife Science Library
_920466
650 _aPure Science
_920467
942 _cPM
_2ddc