00635cam a22002171  45000010008000000030008000080050017000160080041000330100017000740400031000910500016001220820013001381000029001512450011001802600034001913000027002254900059002525000053003116500011003648300042003752638472BD-DhUL20140922112900.0850114s1958    nyua          000 0 eng    a   58010327   aDLC/ICUcICUdDLCdBD-DhUL00aQC357b.E3200a535bEFL1 aEfron, Alexander,d1897-10aLight.  aNew York,bJ.F. Riderc[1958]  a127 p.billus.c22 cm.0 aA Rider publication,vno. 200-4.aBasic science series  a1969 ed. published under title: Exploring light. 0aLight. 0aBasic science series (New York, N.Y.)