sim•u•la•crum

- noun
1. a slight, unreal, or superficial likeness or semblance.
2. an effigy, image, or representation.

oth•er

– adj.
1. additional or further.
2. different or distinct from the one mentioned or implied.
3. different in nature or kind.
4. being the remaining one of two or more.
5. being the remaining ones of a number.
– noun
6. the other one.
– pronoun
7. some person or thing else.
– adv.
8. otherwise; differently.
- idiom
9. every other, every alternate.

ref•er•ence

– noun
1. an act or instance of referring.
2. a mention; allusion.
3. something for which a name or designation stands; denotation.
4. a direction in a book or writing to some other book, passage, etc.
5. a book, passage, etc., to which one is directed.
6. reference mark.
7. material contained in a footnote or bibliography, or referred to by a reference mark.
8. use or recourse for purposes of information.
9. a person to whom one refers for testimony as to one's character, abilities, etc.
10. a statement, usually written, as to a person's character, abilities, etc.
11. relation, regard, or respect
– verb
12. to furnish with references.
13. to refer to.