Mager, Robert Frank, 1923- Analyzing performance problems, or, You really oughta wanna / [electronic resource] / Robert F. Mager, Peter Pipe.. — 2nd ed.. — Belmont, Calif. : : David S. Lake Publishers,, c1984.. — v, 143 p. : : ill. ; 24 cm. — (The Mager library). - Mager, Robert Frank, 1923- Mager library. .