000 00645cam a22002171 4500
999 _c10751
_d10751
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005 20190923153804.0
008 750502s1960 ilua 000 0 eng
010 _a 60006588
040 _aOSt
_cOSt
_dOSt
_dOSt
_bEnglish
082 _a535 / M921w
100 1 _aMunch, Theodore W.
_9950
245 1 0 _aWhat is light :
_cTheodore W Munch ; Pictured by Gregory Orloff.
260 _aChicago :
_bBenefic Press,
_c1962.
300 _a47 p. :
_bills. ;
_c21 cm.
490 0 _aThe What is it series.
508 _a323
650 0 _aReaders
_xScience.
_919816
906 _a7
_bcbc
_coclcrpl
_du
_encip
_f19
_gy-gencatlg
942 _2ddc
_cBK