Je was op zoek naar: preparation of reinforcement for igloo (Turks - Engels)

preparation of solution
preparation of solution

* schedules of reinforcement, with charles ferster, 1957.
*"schedules of reinforcement", with c. b. ferster, 1957.

preparation of solution bulk control (out of routine)
preparation of solution bulk control (out of routine)

new york: appleton-century-crofts library of congress card number 68-12340 e 81290* contingencies of reinforcement: a theoretical analysis", 1969.
new york: appleton-century-crofts library of congress card number 68-12340 e 81290*"contingencies of reinforcement: a theoretical analysis", 1969.