000 00340nam a2200133Ia 4500
008 230917s9999||||xx |||||||||||||| ||und||
040 _e121650
_aMAIN
041 _aEnglish
082 _a608 I6I
245 0 _aIllustrated science and invention encyclopedia. V21
260 _aNew York
_bHS Stuttman
_c1976
300 _a81 p.
942 _cBK
999 _c209488
_d209488