REFERENCE GUIDE TO MATERIAL IN CENTRAL BLUEBIRD FILES OF OSI

3 6 6tA�1 � f ( c � I... I � .��.) e- � fikt?-41.92i7711, � .L.'''.4",...iiiia0044.1ersLi ow- Were:ice Guido to Material in Central =BIRD Filen of OSI Until such time an the material requires a different system of indexinz, reference sheets will be insued as follows: 1) A serial number end full bibliotraphic reference wiilbe given for each item. 2) Topical reference will be to document number only...