A S Hopkins

General Rotorcraft Aeromechanical Stability Program (GRASP) Version 1.03 (User's Manual.

A S Hopkins, Donald L Kunz, 1988 .

Introduction to GRASP - General rotorcraft aeromechanical stability program - A modern approach to rotorcraft modeling

Dewey H. Hodges, Donald L. Kunz, A S Hopkins, 1987 .

Analysis of structures with rotating, flexible substructures appliedto rotorcraft aeroelasticity in GRASP

Dewey H. Hodges, Donald L. Kunz, A S Hopkins, 1987 .