000
002510000a22001090004500
245
_a
Systematics : a new approach to system analysis
100
_a
Grindley, K.
260
_a
New York
_c
1975
080
_a
681.3.06
_b
G7
041
_a
EN
942
_c
BK
999
_c
113804
_d
113804