00302nam a22000977a 4500082001500000100001900015245010800034250000600142260004800148300000800196  a541.39/PAV  aPAULING, LINUS  aTHE NATURE OF THE CHEMICAL BOND AND THE STRUCTURE OF MOLECULES AND CRYSTELS: AN INTRODUCTION TO MODERN   a3  aCALCUTTAbOXFORD & IBH PUBLISHING CO.c1963  a644