Bertha May Clark
General Science
Published by Good Press, 2019
EAN 4057664643025
Table of Contents
THE WATER PROBLEM OF A LARGE CITY
CHEMICALS AS DISINFECTANTS AND PRESERVATIVES
NITROGEN AND ITS RELATION TO PLANTS
Автор: | Bertha May Clark |
Издательство: | Bookwire |
Серия: | |
Жанр произведения: | Математика |
Год издания: | 0 |
isbn: | 4057664643025 |
Bertha May Clark
General Science
Published by Good Press, 2019
EAN 4057664643025
Table of Contents
THE WATER PROBLEM OF A LARGE CITY
CHEMICALS AS DISINFECTANTS AND PRESERVATIVES
NITROGEN AND ITS RELATION TO PLANTS