@article{b384a43bccc645ddaaaab804f51909e6,
title = "Interactions Between Lever Pressing and Collateral Drinking During VI with Limited Hold",
author = "Iversen, {Iver H.}",
note = "Lever pressing by rats was maintained by food pellets delivered according to a variable-interval 1-min. schedule. Water was concurrently available. The rate of lever pressing increased, the rate of...",
year = "1975",
month = jan,
day = "1",
doi = "10.1007/BF03394288",
language = "American English",
volume = "25",
journal = "Psychological Record",
issn = "0033-2933",
}