1. ......................
Author: Helmkamp, George K.
Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
Subject: Laboratory manuals ، Chemistry, Organic,Experiments ، Chemistry, Organic
Classification :
QD
261
.
H33
1963
2. An outline of organic chemistry
Author: / by J. Ernest Simpson . Corwin Bonsch and George K. Helmkamp,Simpson
Library: Central Library and Documents Center of Tehran University (Tehran)
Subject: Chemistry, Organic--Outlines, syllabietc
Classification :
QD
253
.
S52
1975
3. <An> outline of organic chemistry : problems and answers
Author: / J. Ernest Simpson, Crowin Hansch, George K. Helmkamp
Library: Central Library and Documents Center of Mazandaran University (Mazandaran)
Subject: Chemistry, Organic-- Problems,Chemistry, Organic-- Outlines
Classification :
QD253
.
S52
1975
4. Selected experiments in organic chemistry
Author: HELMKAMP,GEORGE K
Library: Central Library of Amirkabir University of Technology (Tehran)
Subject: CHEMISTRY,ORGANIC-LABORATORY MANUALS , CHEMISTRY,ORGANIC-EXPERIMENTS
Classification :
QD
261
.
H44
1968
6. Selected experiments in organic chemistry
Author: Helmkamp, George K
Library: Central Library and Document Center of Isfahan University (Esfahan)
Subject: Chemistry, Organic
Classification :
547
H479s
