Ivan Pavlov Quote: No.13
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Only by observing this condition would the results of our work be regarded as fully conclusive and as having elucidated the normal course of the phenomena. Ivan Pavlov | Refcard PDF ↑
Only by observing this condition would the results of our work be regarded as fully conclusive and as having elucidated the normal course of the phenomena. Ivan Pavlov | Refcard PDF ↑