000
003010000a22001210004500
245
_a
Chemical constitution : an introduction to the theory of bond
100
_a
Ketelaar, J.A.A.
260
_a
New York
_b
Elsevier
_c
1953
300
_a
398 p.
080
_a
541.57
_b
K4
041
_a
EN
942
_c
BK
999
_c
52132
_d
52132