TY - GEN AU - Campbell,J M AU - Gollin,E S TI - An exposure control for the Kodak Carousel Model 700 projector SN - 0022-5002 PY - 1967///1002 KW - Audiovisual Aids KW - Discrimination Learning KW - Humans KW - Psychology, Experimental KW - instrumentation KW - Serial Learning N1 - Publication Type: Journal Article UR - https://doi.org/10.1901/jeab.1967.10-211 ER -