Sharma, B.P. .
World great environmental scientists / by B.P. Sharma. - New Delhi : Centrum Press , 2013 - ix, 311 p. :
978-93-81460-98-6
World great scientists, biographies
G:55wN6 / Q3;1
World great environmental scientists / by B.P. Sharma. - New Delhi : Centrum Press , 2013 - ix, 311 p. :
978-93-81460-98-6
World great scientists, biographies
G:55wN6 / Q3;1