Changes in retention of various telescope crown assemblies over long-term use
Shuji Ohkawa, Hideaki Okane, Tooru Nagasawa, Hiromichi TsuruVolume:
64
Year:
1990
Language:
english
Pages:
159
DOI:
10.1016/0022-3913(90)90170-h
File:
PDF, 1.07 MB
english, 1990