000
00310nam a2200133Ia 4500
008
161121s9999 xx 000 0 und d
100
_a
Mc KOWN. H. C ; ROBERTS. A. B
245
0
_a
Audio visual aids to instruction
260
_c
Mc Graw Hill
365
_b
0
650
_a
NIL
652
_a
#N/A
942
_c
BK
999
_c
33839
_d
33839