Supplement to the proceedings of the International Symposium of IPS Commissions IV and II "Peat, its Properties and Perspectives of Utilization", Minsk, USSR, September 1982
Supplement to the proceedings of the International Symposium of IPS Commissions IV and II "Peat, its Properties and Perspectives of Utilization", Minsk, USSR, September 1982
Supplement to the proceedings of the International Symposium of IPS Commissions IV and II "Peat, its Properties and Perspectives of Utilization", Minsk, USSR, September 1982
Supplement to the proceedings of the International Symposium of IPS Commissions IV and II "Peat, its Properties and Perspectives of Utilization", Minsk, USSR, September 1982