000 00301nam a2200121Ia 4500
100 _aEncyclopaedia Britannica
942 _cBK
245 _a1980 Year Book of Science and the Future
260 _aChicago
_bEncyclopaedia Britannica
_c1979
082 _a505.8
_bE.B
300 _a448
546 _aEnglish
999 _c330297
_d330297
041 _aeng