Behzad Khorshidi, PhD, PEng

• Sri Lanka

Bhagya Weliwita

• Knottingley West Yorkshire

Billy Gundry

Birand Eronat

• Zagreb, Croatia

Bogdan A. Dašić

• NaJomtien, Thailand

Boreas Tunnelling - Leif Schmidt

• Chile

Boris Ivan

• São Paulo - Brasil

Bruno Leite

• Bissen

bruno rossi

Bryan Porter

Burgstaller Harald

Caihong Wen

Calvin Barrows

CamilleFERRE

• Isle of Wight, UK.

Carl Feeney

• Lebu, VIII región del Biobío

Carlos Danyau

Carlos Kirschner

• rua Anatolia 40, Sao Paulo, SP, Brazil

Casarin, Claudio

Chris R.

• oslo

CHRISTIAN ORRU