00422nam a2200133Ia 4500008004100000040001500041041001200056082001800068100001900086245012300105250001200228260003300240300001500273230917s9999||||xx |||||||||||||| ||und||  e1760aMAIN  aEnglish  a541.224 P284N  aPauling, Linus 0aNature of the chemical bond and the structure of molecules and cystals: An introduction to modern structural Chemistry  a3rd ed.  aCalcuttabOxford & IBHc1969  axx, 644 p.