52501
Пр II 430
20
Каталог "Книги"
The control of fertiliser granulation plants
(1971)
J. Bland; J. Perkins; J. Hawksley;
W. Perkins
и др.
Пр 1637
Каталог "Книги"
Subsurface descriptions by ground-penetrating radar for watershed delineation
(1986)
Loris Asmussen; Henry Perkins; H. Alison
14
Каталог "Книги"
Influence of field-applied chemical additive on dust levels in cotton
(1981)
Lyle Carter; Henry Perkins; Ivan Kirk