Amarsingh, T. Mrada urvarta evam urvak / T. Amarsingh ,Mahendra Singh Gangavar and Ram Singh Sachan ; edited by Haridutt, Ramkrishna Parashar and Shiv Govind Dwivedi. - नैनीताल : अनुवाद एवं प्रकाशन निदेशालय, 1976. - 288 p. ; ill. 21cm. Subjects--Topical Terms: Pesticides-- Toxicology.--Chemical mutagenesis. Dewey Class. No.: 632.95 Si645 Mu