00477nam a22001217a 4500020000900000082001300009100005300022245006500075260004900140300003300189500005100222650008200273  a(hb)  a547bERI  aErickson, John G.aPaul F. WileyaV. P. Wystrach  aThe 1,2,3, - and 1,2,4- triazines, tetrazines and pentazines  aNew YorkbInterscience Publishers, Incc1965  axi, 261 p.b: ill.c; 24 cm.  aIncludes bibliographical references and index.  aTetrazinevValence bridgesvNitrogen atomvTriazine ringsvBenzene ringvRIPS