TY - BOOK AU - Katritzky,A.R TI - Physical Methods in Heterocyclic Chemistry SN - 0124011047 U1 - 547.59 PY - 1971/// CY - London: PB - Academic Press, KW - Chemistry KW - Heteroaromatic Reactivity KW - Heterocyclic Systems KW - Nuclear Quadrupole ER -