00385nam a2200133Ia 4500008004100000041000800041082001400049100001800063245007600081250000800157260005600165300000800221650002200229230711s9999||||xx |||||||||||||| ||und||  aENG  a624bEI-S  aEl Naschie Ms 0aStress stability and chaos in structural engineering an energy approach  a1st  c1990aNew DelhibTata McGraw Hill Education Limited  a721  aCivil Engineering