TY  - BOOK
AU  - Alloway, Tom
TI  - Sniff the virtual rat pro version 2.0
U1  - 154.4 
PY  - 2005///
CY  - Belmont California : 
PB  - Thomson/Wadsworth, 
KW  - Condicionamiento operante - enseÑanza programas de computador
KW  - Psicologia del parendizaje - programas de computador
N1  - System requirements: Macintosh: MacOS version 7.5 or higher; Macintosh 68040 or Power PC 601 or better; Double speed CD-ROM; system must have at least 16 MB RAM (32 MB highly recommended). Windows: Windows 95, 98 and NT; IBM 486 or Pentium processor or better.
ER  -