1
Ecological effects of deposited sulphur and nitrogen compounds : A Royal Society discussion meeting: proceedings : London, 05.09.1983-07.09.1983.
Book
...Philosophical transactions of the Royal Society of London series b : biological sciences ;...
2
More technologies for rural health : A discussion meeting : London, 01.11.79-02.11.79.
Book
1980
...Royal Society of London. Proceedings. B ;...