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Helmkamp, George K.
Author
Helmkamp, George K.
Catalogue records by Helmkamp, George K. in the PakCat Union Catalogue.
4 catalogue records
Catalogue records
An outline of organic chemistry
Simpson, John Ernest
1975
Organic chemistry
Hansch, Corwin H.
1963
Selected experiments in organic chemistry
Helmkamp, George K.
1964
Selected experiments in organic chemistry
Helmkamp, George K.
1964