တမ်းပလိတ်:DSB
"DSB"။ Dictionary of Scientific Biography။ New York: Charles Scribner's Sons။ 1970–80။ ISBN 978-0-684-10114-9။ Cite has empty unknown parameter: |coauthors=
(အကူအညီ)CS1 maint: ref=harv (link)
"DSB"။ Dictionary of Scientific Biography။ New York: Charles Scribner's Sons။ 1970–80။ ISBN 978-0-684-10114-9။ Cite has empty unknown parameter: |coauthors=
(အကူအညီ)CS1 maint: ref=harv (link)