00825nam a2200253Ia 4500001000700000003000500007005001700012008004100029010002100070040000800091041001100099050002200110082000800132100006200140240002700202245011300229260003400342300003900376490003600415500003300451504002600484650001800510700004300528114707BIBL20160527183843.0711007s1968    nyua     b    00010 eng    a 67024448 //r873  dICU1 aengdut0 aQC355b.H533 1968  a53510aHeel, A. C. S. vanq(Abraham Cornelis Sebastiën)2Local10aWat is licht?lEnglish10aWhat is light?c[By] A. C. S. van Heel and C. H. F. Velzel. Translated from the Dutch by J. L. J. Rosenfeld.0 aNew YorkbMcGraw-Hillc[1968]  a255 p.billus. (part col.)c19 cm.0 aWorld university library2Local  aTranslation of Wat is licht?  aBibliography: p. 247. 0aOptics2Local10aVelzel, C. H. F.ejoint author.2Local