000 00298nam a2200121Ia 4500
008 220201s1989 xx 000 0 eng d
082 _a503
_bRID
100 _aRidgeway,John
245 0 _aWorld of science:mechanics of life
260 _aspain
_bSouth Side Pub
_c1989
300 _a124
942 _2ddc
999 _c33812
_d33812