00766cam a22002411  450000100060000000300080000600500170001400800390003103500190007003500190008904000400010804100080014808200210015610000360017724500830021326000530029630000680034950400430041765000120046065000150047265000170048765000200050410944BD-RjUL20211208235037.0140125s1946    enkaf    b    001 0 eng  a(BD-RjUL)10993  a(OCoLC)2326401  aDLCcOClUdOCoLCdDLCdBD-RjULbeng  aeng  a537.53bPID 19461 aPirenne, M. H.q(Maurice Henri)04aThe diffraction of X-rays and electrons by free molecules /cM. H. Pirenne ...  aCambridge [Eng.] :bThe University Press,c1946.  axii, 160 p. :bII pl. (incl. diagr.) on 1 l., diagrs. ;c21 cm.  aBibliography: p. [146]-154. and index. 0aX-rays. 0aElectrons. 0aDiffraction. 0aFree molecules.