00406nam a22001337a 450000500170000000800410001702000180005804100080007608200180008410000220010224500700012426000620019430000160025620260420094037.0260420b        |||||||| |||| 00| 0 eng d  a0-8053-7726-3  aeng  a547.59bPAQ/P  aPaquette, Leo A.   aPriciples ofModern Heterocyclic Chemistry c/ by Leo A. Paquette   aAmericabThe Benjamin/ Cummings Publishing Company c1968  axiv, 401p.