Jelaskan Rujukan dan pautan luar dari Ferdinand Cohn dalam bahasa melayu

Jewish Encyclopedia entry for Ferdinand Julius Cohn

Ferdinand Julius Cohn (1828-1898): Pioneer of Bacteriology, by King-Thom Chung, a professor of microbiology; three pages long.

Ferdinand Cohn, a founder of modern microbiology, by Gerhart Drews, year 1999, ASM News, volume 65 number 8, published by American Society for Microbiology; seven pages long.

Ferdinand Cohn in the Encyclopedia of World Biography, published by Gale Group (2010).