The economy of item analysis with the IBM graphic item counter.
McNAMARA
W J
WJ
WEITZMAN
E
E
D006801:Humans; D007361:Intelligence Tests; D009946:Organothiophosphorus Compounds; D011874:Radiometry / Q000295:instrumentation*
D009946:Organothiophosphorus Compounds; C012568:terbufos
COUNTERS; MENTAL TESTS/machines