00546nam a2200181 a 4500 20260717091032.0 260717s1939 ii 000 0 eng d eng 543.31 Pauling, Linus, 1901-1994 The nature of the chemical bond and the structure of molecules and crystals chemistry / Pauling, Linus, 1901-1994 Oxford and IBH, 1939. xx, 644 p. Valence (Theoretical chemistry) Quanturn theory. Molecules. BK 21217 21217 0 0 0 0 DC BKBCL BKBCL 1978-01-31 21.00 0 543.31 PAU 11245 2026-07-17 09:10:32 21.00 2026-07-17 BK