00329cam a2200133 i 4500 0582442532 547.59 YOU Young, Douglas W. Heterocyclic chemistry / London ; New York : Longman, 1975. 133 p. : ill. ; Heterocyclic chemistry. REF 3516 3516 0 0 0 NFIC IC IC GEN 2016-08-25 610.00 0 547.59 YOU 000055 2016-08-25 00:00:00 2016-08-25 REF