00472nam a22001337a 4500008004100000040005500041080002300096245009600119260005900215300001500274650001300289653001300302700002300315230608b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  a539.12(082.2)bK81  aExcitons, magnons and phonons in molecular crystals c/ Cambridge At the University Press    aCambridge: bCambridge At the University Press, c1968  axv, 347p.   aScience   aNuclear   aZahlan, A B (Ed.)