00423nam a2200133Ia 4500008004100000040001500041041001200056082001800068100001900086245012400105250001200229260003300241300001500274230917s9999||||xx |||||||||||||| ||und||  e1656aMAIN  aEnglish  a541.224 P284N  aPauling, Linus 0aNature of the chemical bond and the structure of molecules and crystals: An introduction to modern Structural Chemistry  a3rd ed.  aCalcuttabOxford & IBHc1969  axx, 644 p.