“...Seminar on damage costs to the environment, Paris, august, 1972...”

“...Seminar on damage costs to the environment, Paris, august, 1972...”

“...Seminar on damage costs to the environment, Paris, august, 1972...”

“...Seminar on damage costs to the environment, Paris, august, 1972...”

“...Seminar on damage costs to the environment, Paris, august, 1972...”

“...Seminar on damage costs to the environment, Paris, august, 1972...”

“...Seminar on damage costs to the environment, Paris, august, 1972...”

“...Seminar on damage costs to the environment, Paris, august, 1972...”

“...Seminar on damage costs to the environment, Paris, august, 1972...”

“...Seminar on damage costs to the environment, Paris, august, 1972...”

“...Seminar on damage costs to the environment, Paris, august, 1972...”