I ris D iaphragm proving the circular form whether expanding or contracting.
Author(s) -
Brown J. H.
Publication year - 1867
Publication title -
transactions of the microscopical society and journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.569
H-Index - 111
eISSN - 1365-2818
pISSN - 0962-7375
DOI - 10.1111/j.1365-2818.1867.tb05561.x
Subject(s) - citation , information retrieval , computer science , library science , combinatorics , world wide web , mathematics