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Стр. 1273
Reinforcefree food from a dish , then trained to ment was delivered by a Lehigh Valpress a lever for similar food . The free ley feeder which operated with a quiet food was then presented while subjects but audible click .
Reinforcefree food from a dish , then trained to ment was delivered by a Lehigh Valpress a lever for similar food . The free ley feeder which operated with a quiet food was then presented while subjects but audible click .
Стр. 1594
near ment of the Interior has operated its tration and its Interior Department . own helium extraction facilities for It is hard to tell from the public many years . Under legislation enacted record whether the conservation effort in ...
near ment of the Interior has operated its tration and its Interior Department . own helium extraction facilities for It is hard to tell from the public many years . Under legislation enacted record whether the conservation effort in ...
Стр. 1711
As the programs di- ment that loosens up the language forrector says , “ We believe the idea has bidding the “ commingling ” of Title III taken root in Maryland . ” money with funds for other programs . Perhaps so , but whether it will ...
As the programs di- ment that loosens up the language forrector says , “ We believe the idea has bidding the “ commingling ” of Title III taken root in Maryland . ” money with funds for other programs . Perhaps so , but whether it will ...
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LETTERS | 932 |
Y Pomeranz K F Finney R C Hoseney | 950 |
BOOK REVIEWS | 968 |
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acid activity addition American analysis animals appears applications associated atoms biological calculated carbon cells chairman changes chemical Chemistry chromosomes complete concentration containing Department determined discussion distribution effect electron energy evidence experiments field function given human important increase indicated Institute interest known laboratory lead less limited material mean measurements mechanism ment method Michigan nature normal observed obtained occur organic percent phase Physics population position possible present Press problems protein range rats reaction recent recorded References relative reported response rocks samples Science scientific Service similar specific structure studies suggested surface Table temperature tion tissue United University volume write York