00000nam 2200000 4500 KASEL-06100000012121 20100611142624.0 181108||||||||| | ||| |||| ||ind|| 0010-061000000012121 512 512/Asi/r ASIMOV, Isaac Realm of numbers Cet. 8 Boston Houghton Mifflin Company 1959 202 hlm. : ilus. ; 22 cm 0 ALJABAR - 1 7016/12/77