Williams: to any question that did not involve scale insects, his usual answer was ‘I’ll think about it’ Douglas Williams, the entomologist, who has died aged 101, was a pioneer in scale insect ...
https://siris-libraries.si.edu/ipac20/ipac.jsp?&profile=liball&source=~!silibraries&uri=full=3100001~!466445~!0#focus ...
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