A |
Academic Press , American Institute of Physics |
B |
BIOSIS , Blackwell |
C |
CAB Publishing , Cambridge Scientific Abstracts , Churchill Livingstone , CINAHL Information Systems |
D |
Dawson , Derwent Information Limited |
E |
EBSCO , Elsevier Science |
G |
Gale |
H |
H.W. Wilson Company , Harcourt Brace |
I |
IHS , Ingentaconnect , Institute of Electrical and Electronics Engineers (IEEE) |
K |
Karger , Karger AG |
L |
Library of Congress |
M |
McGrawHill , McMillan , Micropatent |
N |
Northern Light |
O |
Oxford University Press(UK) , Oxford University Press(USA) |
P |
Peterson's Information Services , Prentice Hall |
R |
((Royal Society of Chemistry (RSC) |
S |
Science Direct , Springer-Verlag |
T |
Taylor & Francis Group |