Classification
HPA - Drug lists, pharmacopoeias, pharmacologic glossaries
37
CUUB - NMR (Nuclear Magnetic Resonance) spectroscopy
25
CR - Nuclear chemistry, radiation chemistry
24
HPK - Special pharmacology, drug design
21
CAA - Chemistry - reference books
18
HCN - Nuclear medicine
18
HPD - Pharmacology - comprehensive works
18
CEC - Organic chemistry - comprehensive works
15
CRC - Nuclear chemistry
15
HBC - Physiological chemistry, biochemistry
13
CT - Chemical methods of materials analysis
12
CELC - Organic synthesis
11
HRD - Dosimetry, radiation protection - medical aspects
11
TIG - Reliability, safety, quality control
11
CTTE - High performance liquid chromatography
10
THE - Computer aided design and engineering (CAD)
10
ACE - Germanic languages, Indo-Germanic languages
9
CRH - Radiochemistry
9
CET - Special organic compounds - synthesis and reactions
8
THA - Mechanical engineering - general
8
UXL - Radiation protection - general aspects
8
LMQ - Biophysics - membranes
7
PKAN - Elementary particles, nuclei - nuclear data collections
7
PKFD - Radiation detectors
7
CEV - Chemistry of functional groups
6
HCI - Radiation biology, dosimetry
6
HCR - Imaging techniques in medicine
6
CBB - Inorganic chemistry - comprehensive works
5
CEL - Organic synthesis and reactions - general aspects
5
CELD - Chemicals and reagents in organic synthesis
5
CTF - Chemical analytical methods
5
CTV - Thin layer chromatography
5
HPT - Toxicology
5
PLA - Astrosciences - general
5
CEF - Organic chemistry - introductions
4
CH - Physical chemistry
4
CRK - Application of isotopes
4
DKAE - Windows
4
FAA - Materials research - reference books
4
LKNC - Peptides - biochemistry
4
PAA - Physics - reference books
4
PAD - Physics - comprehensive works
4
UA - Environment - general
4
ACA - Languages, dictionaries - general
3
CAN - Chemistry - mathematical methods, computer applications
3
CEB - Houben - Weyl handbook
3
CHJH - Stereochemistry
3
CLD - High temperature chemistry, plasma chemistry
3
CTT - Liquid chromatography
3
CTYM - Trace analysis
3
more ...